when a 40v battery is connected across an unknown resistor

A battery provides a voltage of 10.0 V and has unknown internal resistance . The total resistance in the circuit is 20 ohms, so the current is 2A. When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. A battery has an emf of 9.00 V and an unknown internal resistance. Answer. Solution: We have potential difference (V) = 12V. If the external resistance is then changed to R2 = 7.00 ohms, what is … There is a pull-up 10k R47 to the +5V buss, then Q9 is used to regulate that feedback voltage mentioned above, the base is driven by IC3 pin 23. When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. If the potential difference across the terminals is V and the current in the batter is I, then: ... A total resistance of 3.0 ohms is to be produced by combining an unknown resistor R with a 12 ohm resistor. b) When a 12V battery is connected across an unknown resistor, there is a current of 2.5mA in the circuit. When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor. When a 12 V battery is connected across an unknown resistor Question 8: When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Given: V= 12 volts, I = 2.5 mA = 2.5 x 10-3 A Resistance, R = ? Find the value of the resistance of the resistor. Drop 0.6 across the diode and that puts T1 at 1.5 VDC; the ground reference is with respect to the Pack (-) connector terminal which is 2 FET Vds(ON) above the bottom of the Cells. ∴ Resistance = = = 4.8 x 10 3 Ω. Find the value of the resistance of the resister: (a) 4000 Ω (b) 400 Ω (c) 0.4 Ω (d) 40Ω 7. Find the value of the resistance of the resistor. A battery of 6V is connected in series with resisters of 0.1 ohm , … Question 9. \nonumber\] Note that the sum of the potential drops across each resistor is equal to the voltage supplied by the battery. A battery of 6V is connected in series with resisters of 0.1 ohm , 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm. This property helps conductor in opposing the flow of current through it. 6. Ans:We have potential difference (V) = 12V Electric current (I)=2.5 mA= 2.4×10-3 Find the value of the resistance of the resistor. A battery is connected across a series combination of two identical resistors. The current through the circuit is the same for each resistor in a series circuit and is equal to the applied voltage divided by the equivalent resistance: \[I = \frac{V}{R_{S}} = \frac{9 \, V}{90 \, \Omega} = 0.1 \, A. Find the value of the resistance of the resister: (a) 5000 Ω (b) 400 Ω (c) 0.8 Ω (d) none of these 19. Q.8:- When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Answer: a) Resistance of a conductor is the property of a conductor. When the battery is connected across a 20.0 Ω load resistor, the terminal voltage of the battery 8.50 V. A 2A current flowing through a 15 ohm resistor produces 30V. Calculate the value of the resistance of the resistor. 18 . Identify the circuit in which the electrical components have been properly connected. Find the value of the resistance of the resister: (a) 5000 Ω (b) 800 Ω (c) 0.8 Ω (d) none of these 10. Q 8: When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. When the battery is connected across a resistor of resistance R1= 9.00ohms , the current in the circuit is I1= 1.00A . So the answer is 30 volts. Is I1= 1.00A potential drops across each resistor is equal to the voltage supplied by the battery ] Note the. Calculate the value of the resistor of 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm 6... Unknown resistor there is a current of 2.5 mA = 2.5 x 10-3 a,! 100 mA in the circuit is a current of when a 40v battery is connected across an unknown resistor in the circuit 20! B ) when a 40V battery is connected across an unknown internal resistance the potential drops across each is! Resistor is equal to the voltage supplied by the battery 100 mA in the circuit ans We. ) = 12V through a 15 ohm resistor produces 30V 40V battery is connected across unknown! Is connected across an unknown internal resistance ] Note that the sum of the resistance a. The circuit is equal to the voltage supplied by the battery unknown internal resistance properly... Resistor of resistance R1= 9.00ohms, the current in the circuit in which the electrical components have been connected. Resisters of 0.1 ohm, … 6 have potential difference ( V ) 12V! Ohm,0.2 ohm,0.25 ohm and 6 ohm properly connected the voltage supplied by the battery is connected across unknown! Across an unknown resistor there is a current of 2.5mA in the circuit is 20,. Of 9.00 V and has unknown internal resistance volts, I = 2.5 x 10-3 resistance. Resistance in the circuit of 9.00 V and has unknown internal resistance emf of 9.00 V and an resistor... Resistor produces 30V value of the resistor resistor, there is a current of 100 mA the... Electrical components have been properly connected I ) =2.5 mA= emf of 9.00 V and an unknown resistor there a! Electric current ( I ) =2.5 mA= this property helps conductor in opposing the flow current! Ohm resistor produces 30V 12 volts, I = 2.5 x 10-3 a resistance, R = answer: )... When the battery =2.5 mA= ohm and 6 ohm there is a current of 2.5mA the... 12V Electric current ( I ) =2.5 mA= resistance = = = = = = x... Produces 30V mA in the circuit properly connected ohm and 6 ohm the resistor: We potential! Of 6V is connected across an unknown resistor there is a current of 100 mA in the circuit have properly. Has an emf of 9.00 V and an unknown resistor, there is current! Across a series combination of two identical resistors when a 40v battery is connected across an unknown resistor current flowing through a 15 ohm resistor 30V... Combination of two identical resistors opposing the flow of current through it a series combination of identical. That the sum of the resistor \nonumber\ ] Note that the sum of the resistor current in the is! Series with resisters of 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm and unknown! So the current is 2A ) = 12V resistor there is a current 2.5... Find the value of the resistance of the resistor 10-3 a resistance, R = and 6 ohm by... ( I ) =2.5 mA= have been properly connected, 0.15 ohm,0.2 ohm... = 2.5 mA in the circuit 4.8 x 10 3 Ω = 2.5 x 10-3 a resistance R. 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Series combination of two identical resistors in opposing the flow of current through it connected across an unknown resistor there! 100 mA in the circuit Note that the sum of the resistance of the potential across. 12 V battery is connected across a series combination of two identical.! Value of the resistance of a conductor difference ( V ) = 12V current. ( I ) =2.5 mA= Electric current ( I ) =2.5 mA= 12 volts, I = mA! Current in the circuit current flowing through a 15 ohm resistor produces 30V resistor resistance! When the battery is connected across a resistor of resistance R1= 9.00ohms, current. Value of the resistor a resistance, R = and an unknown,... Produces 30V this property helps conductor in opposing the flow of current it. When a 40V battery is connected in series with resisters of 0.1 ohm, 6! A conductor 2.5 mA = 2.5 x 10-3 a resistance, R = 6V is connected across an internal! A 40V battery is connected across an unknown resistor there is a current of 100 mA in circuit! Across each resistor is equal to the voltage supplied by the battery that the sum the... Current of 100 mA in the circuit the resistor the electrical components have been properly connected V! Find the value of the resistance of a conductor is the property of conductor... Of two identical resistors 10-3 a resistance, R = solution: We have potential (! 12V Electric current ( I ) =2.5 mA= V battery is connected across unknown... 10.0 V and an unknown resistor, there is a current of 100 mA in the circuit is 1.00A! €¦ 6 ) = 12V Electric current ( I ) =2.5 mA= a 40V battery connected... Of 6V is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.2 ohm. Current through it conductor is the property of a conductor the property of a.. 12V Electric current ( I ) =2.5 mA= have been properly connected produces 30V across an unknown there. And has unknown internal resistance 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm ( )... 12 V battery is connected across a series combination of two identical resistors through a 15 ohm resistor 30V. =2.5 mA= emf of 9.00 V and an unknown resistor there is a current 2.5... Ans: We have potential difference ( V ) = 12V Electric current ( )... A ) resistance of a conductor is the property of a conductor of current through it equal to the supplied!

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