The electric power of the accumulator battery of a car is 12V. If the internal resistance of the battery is 0.4Omega, then the battery...

The storage battery of a car has an emf of 12 V. If the inernal resistance of the battery of 0.4 Omega , What is the maximum current that can be drawn from the battery ?

For maximum power from battery the internal resistance of battery r is

The battery of a trunk has an emf of 24 V. If the internal resistance of the battery is 0.8Omega . What is the maximum current that can be drawn from the battery?

A 4 m long wire of resistance 8Omega is connected in series with a battery of emf 2V and a resistor of 7Omega . The internal resistance of the battery is 1Omega . What is the potential gradient along the wire ?

A storage battery is connected to a charger for changing with a voltage of 12.5 volts. The internal resistance of the storage battery is 1 Omega . When the charging current is 0.5 A , the emf of the storage battery is

The power consumed by the 4 V battery is

A 50 V battery is supplying current of 10 A when connected to a resistor. If the efficiency of the battery at this current is 25%, then the internal resistance of the battery is

A car has a fresh storage battery of emt 12 V and internal resistance 5.0 xx 10^(-2) Omega . If the starter moter the battery when the starter is on? (b) After long use, the internal resistance of the storange battery increase to 500 Omega . What maximum current can be drawn from the battery? Assume the emt of the battery to remain unchanged. (c) If the discharged battery is changed by an external emf source, is the terminal voltage of the battery during changing greater of less than is emf 12 V ?