A car battery has a terminal potential difference of 13.6 V when there is no load. When the starter motor draws 75 A, the terminal potential difference drops to 10 V. What is the internal resistance of the battery?

Q: A battery with emf, ε = 15 V, has a terminal voltage of 12.8 V when it is delivering 18.5 W of power…

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Q: across them

A: Given: Resistor is 10 k ohm Potential difference is 12 V Increase in potential difference is 5 V…

Q: A 12.0 mF capacitor is charged to a potential of 50.0 V and then discharged through a 225 Ω…

A: Given:  Given: Capacitance C=12.0mFPotential Charge V= 50.0VResistance R=225 ohm a. The initial…

Q: You have a 63.1 mF capacitor initially charged to a potential difference of 12.5 V. You discharge…

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Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 10.6 V when it is delivering…

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Q: A 50 μF capacitor that had been charged to 30 V is discharged through a resistor. Figure shows the…

A: The voltage of a discharging of a capacitor at any time t is given by the formula  V=V0e-tRCV0 is…

Q: A heart defibrillator being used on a patient has an RC time constant of 10.5 ms due to the…

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Q: A series circuit is comprised of a 200VDC battery, a switch, a 1 MΩ resistor and a 10 µF capacitor.…

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Q: A defibrillator is designed to pass a large current through a patient’s torso in order to stop…

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Q: A 0.5 mF capacitor is fully charged. A 800 Ω resistor is then connected across it. How long will it…

A: Given C = 0.5 mF R = 800 Ω we have to find out the time to remove 95% of the charge stored in the…

Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.4 V when it is delivering…

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Q: A heart defibrillator being used on a patient has an RC time constant of 11.0  ms due to the…

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Q: You charge an initially uncharged 66.1 mF capacitor through a 42.32 resistor by means of a 9.00 V…

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Q: In the figure battery 1 has emf 81= 14.0 V and internal resistance r = 0.040 Q and battery 2 has emf…

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Q: A heart pacemaker fires 86 times a minute, each time a 24.5 nF capacitor is charged (by a battery in…

A: A heart pacemaker fires 86 times a minute.Capacitance, C = 24.5 nFVoltage = 0.632×full…

Q: A 15.7 μF capacitor initially charged to 41.0 μC is discharged through a 1.30 kΩ resistor. How long…

A: Required timet = 0.01414 s t = 14.14 ms Explanation:

Q: A 535 × 10-6 F capacitor is discharged through a resistor, whereby its potential difference…

A: Given initial voltage of capacitor C = 535 x 10-6 F is V =81.9 V and the final voltage is v = 29.1 V…

Q: Three identical resistors are connected in series. When a certain potential difference is applied…

A: Given data: The total power dissipated in series connection is P1=45.0 W. Let, R is the resistance…

Q: A heart defibrillator being used on a patient has an RC time constant of 11.0 ms due to the…

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Q: A 15.0 μF capacitor initially charged to 23.5 μC is discharged through a 3.50 kΩ resistor. How long…

A: When a charged capacitor is conneted to the resistance and also form a closed loop then the current…

Q: A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an internal…

A: Write the given values with the suitable variables. V0=12 VR=3.4 MΩ=3.4×106 Ωt=4 sV=3 V Here, V0, R,…

Q: A battery of 12 V and internal resistance (1) is connected to a load resistor R= 20. The potential…

A: Given that,Voltage : V = 12 (V)Resistance : R = 2 (Ohm)Potential difference : V = 10 (V)Here we need…

Q: A and B. Battery A has an e.m.f. of 150 V and an internal resistance of 8.5Ω , and the corresponding…

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Q: Based on the figure, solve for the voltage drop across the resistor with a value of 7.5 kN. а. 0.6 V…

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Q: A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having a total…

A: Given that,The potential : V = 12 (V)Total internal resistance : r = 3.40 (MOhm)Time : t = 4…

Q: R6 9, ww R4 ww R5 ww R3 ww R, R2

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Q: Two resistors, R1 = 21 Ω and R2 = 35 Ω are connected in parallel across a battery providing voltage…

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Q: In the figure, a resistance R=120 Ω is located on each edge of the tetrahedron, find the difference…

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Q: A 10.0 −μF capacitor is charged to a potential of 50.0 V and then discharged through a 185 −Ω…

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Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.4 V when it is delivering…

A: a) We know that power  P= V2/R R= 11.42/16 R= 8.12Ω

Q: Most stereo speakers are designed to have a resistance of 8.0 Ω. If an 8.0 Ω speaker is connected to…

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Q: In the figure battery 1 has emf 8₁ = 13.0 V and internal resistance r₁=0.041 2 and battery 2 has emf…

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Q: When a R = 90.9 Ω resistor is connected across a 12 V battery, a current of 123.9 mA flows. What is…

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Q: through a resistor so that it becomes 63 percent charged in 0.10 s. What should the resistance of…

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Q: capacitor of 10.0 μF and a resistor of 130 Ω are quickly connected in series to a battery of 5.00 V.…

A: Capacitance C = 10 μF Resistance R = 130 Ω Time t = 0.00200 s   Charge Q = ?

Q: Problem 2: On a cold day a battery has a terminal voltage of V = 12.21 V and an internal resistance…

A: Here We have to use some basic formula

Q: A 15 μF capacitor initially charged to 25 μC is discharged through a 1.2 kΩ resistor. How long does…

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