A battery is charged at a potential of 15 V for 8 h when the current flowing is 10 A. The battery on discharge supplies a current of 5 A for 15 h. The mean terminal voltage during discharge is 14 V. The watt- hour efficiency of the battery is
17
Aug
A battery is charged at a potential of 15 V for 8 h when the current flowing is 10 A. The battery on discharge supplies a current of 5 A for 15 h. The mean terminal voltage during discharge is 14 V. The watt- hour efficiency of the battery is In a Wheatstone bridge resistance [...]
A 6 V battery is connected to the terminals of a 3m long wire of uniform thickness and resistance of 100Ω. The difference of potential between two points on the wire separated by a distance of 50 cm will be
17
Aug
A 6 V battery is connected to the terminals of a 3m long wire of uniform thickness and resistance of 100Ω. The difference of potential between two points on the wire separated by a distance of 50 cm will be In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If [...]
In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω, then effective resistance of bridge will be
16
Aug
In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω, then effective resistance of bridge will be In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω [...]