In a circuit, 5C of charge is passed through a battery in 3 hours. The plates of the battery are maintained at the potential difference of 12 V. Then, the amount of work done by a battery is:
60 J
180 J
20 J
6.48 × 105 J
A
60 J
B
20 J
C
180 J
D
6.48 × 105 J
Open in App
Solution
Verified by Toppr
Work done by a battery = potential difference × total charge passed ⟹Workdone=12V×5C Workdone=60J
Was this answer helpful?
0
Similar Questions
Q1
In a circuit, 5C of charge is passed through a battery in 3 hours. The plates of the battery are maintained at the potential difference of 12 V. Then, the amount of work done by a battery is:
View Solution
Q2
In a circuit, 10 C of charge is passed through a battery in a given time. The plates of the battery are maintained at a potential difference of 12 V. How much work is done by the battery?
View Solution
Q3
A parallel plate capacitor having capacitance 12pF is charged by a battery to a potential difference of 10V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is placed between the plates. The work done by the capacitor on the slab is:
View Solution
Q4
If the amount of work done to transfer 60 coulombs of charge is 600 J, then the potential difference between two ends of battery is________.
View Solution
Q5
A capacitor having a capacitance of 100μF is charged to a potential difference of 24V. The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery. (a) Find the charges on the capacitor before and after the reconnection. (b) Find the charge flown through the 12V battery, (c) Is work done by the battery or is it done on the battery? Find its magnitude. (d) Find the decrease in electrostatic field energy. (e) Find the heat developed during the flow of charge after reconnection.