When a car's starter is in use, it draws a large current. The car's lights draw much less current. As a certain car is starting, the current through the battery is 57.0 A and the potential difference across the battery terminals is 8.10 V. When only the car's lights are used, the current through the battery is 2.10 A and the terminal potential difference is 11.8 V. Find the battery's emf and internal resistance

Q: A real battery of emf 27 V is connected to a 14 Ω resistor. As a result, current of 1.74 A exists in…

A: Here we use the formula for power dissipated by a resistor.

Q: An automobile battery has an emf of 12.4 V and an internal resistance of 0.09 Ω. The headlights have…

A: The resistive circuits are governed by Ohm's law, which is as follows, E=IR        (1) here E is the…

Q: Consider the circuit shown in the figure below. (R = 37.0 N.) 10.0 2 25.0 V 10.0 2 5.00S2 R 5.00 S2…

A: R = 37 ohm Let R1 = 5 ohm (connected in series to R)Let R2 = 5 ohm (connected parallel to 10 ohm…

Q: Three resistors are connected in parallel to a 69.5 V battery: R1 = 8.18 N, R2 = 8.01 N and R3 =…

A: Equivalent resistance in the parallel circuit is, 1R=1R1+1R2+1R3

Q: Two batteries "A" and "B", each with emf= 10.5 (V) are connected in series configuration. Note that…

A:

Q: A battery with an emf of 18 V and internal resistance of 1.0 W is connected across a 5.0 W resistor.…

A:

Q: Four resistors, 10 Ω , 14 Ω , 27 Ω , and 40 Ω , are in series.  Find the circuit current when the…

A: The total resistance will be the sum of all the resistance in series.

Q: When a car's starter is in use, it draws a large current. The car's lights draw much less current.…

A: Case -1 -   When car's starter is used,                   then  current through the battery (I) =…

Q: Two resistors have resistances R(smaller) and R(larger), where R(smaller) W Ω V

A: Given Data :Current in series Is = 1.10 ACurrent in parallel Ip = 11.7 AEMF of the battery E = 12…

Q: When a car's starter is in use, it draws a large current. The car's lights draw much less current.…

A:

Q: When a car's starter is in use, it draws a large current. The car's lights draw much less current.…

A:

Q: The emfs in the figure below are E = 6.00 V and Ez = 12.0 V. The resistances are R1 = 16.0 n, R2 =…

A:

Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 9.6 V when it is delivering…

A:

Q: Three resistors 2 $\Omega $, 4 $\Omega $ and 5 $\Omega $ are combined in parallel. If the…

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Q: The figure shows an ideal battery of emf 8 = 28 V, a resistor of resistance R = 6.6 02, and an…

A:

Q: A student connects two resistors with unknown resistance values in series, and notes that the…

A: Let the two resistors be = R1 and R2The equivalent resistance when connected in series = 725 ohm The…

Q: A V = 7.58 V battery is connected to a R = 52.2 Ω resistor. How much current (I) runs through the…

A: Given,  V =7.58 V R =52.2 Ω . We have to find the current (I) that runs through the resistor. Let's…

Q: Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the…

A: According to Ohm's law voltage is directly proportional to current. So, V=iRWhen two resistances are…

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: A cylindrical aluminum pipe of length 1.92 m has an inner radius of 1.77 ×10-3 m and an outer radius…

A:

Q: A 605 x 10^-6 F capacitor is discharged through a resistor, whereby its potential difference…

A: Final value = 10.7 Vinitial value ,= 92.3 VT = 4.01 sC = 605x10-6 FTo find the resistance

Q: The figure below shows a network of connected resistors between points a and b. The resistance of…

A: In the given circuit , We have to determine the value of total resistance and also find the value of…

Q: Find the battery's emf. Find the internal resistances

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Q: A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 23.7 V. The electric…

A: Given:current, i=55ATerminal voltage,vt=23.7VPower, P=34WTo find:emf, e=?

Q: A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 21.1 V. The electric…

A: Current is Terminal voltage is Power is Find:The emf of the battery.

Q: Four resistors are connected to a battery as shown in the figure. The current through the battery is…

A:

Q: The circuit shown consists of four resistors and a 48 Volt power supply. Resistance values are shown…

A: Draw the currents in the circuit.