If the resistance of a circuit having 12 V source is increased by `4Omega` the current drops by 0.5 A. What is the original resistance of circuit

The current in a simple series circuit is 5.0 A. When an additional resistance of 2.0 Omega is inserted, the current drops to 4.0 A. The original resistance of the circuit in ohms was

The current in a simple series circuit is 5.0 amp. When an additional resistance of 2.0 ohms is inserted, the current drops to 4.0 amp. The original resistance of the circuit in ohm was

The current in a simple series circuit is 5.0 amp. When an additional resistance of 2.0 ohms is inserted, the current drops to 4.0 amp. The original resistance of the circuit in ohms was

The current in a simple series circuit is 5.0 amp . When an additional resistance of 2.0 ohms is inserted, the current drops to 4.0 amp . The original resistance of the circuit in ohms was

On increasing the resistance in a circuit, the current in it:

When a Laclanche cell is connected to a 10Omega resistance then a current of 0.25 ampere flows in the circuit. If the resistance is reduced to 4Omega then current becomes 0.5ampere. The internal resistance of galvanometer will be-

Three resistors having resistances of 15 Omega , 3 Omega and 4 Omega are connected in series. What is the effective resistance in the circuit?

The current in a circuit containing a battery connected to 2Omega resistance is 0.9A. When a resistance of 7Omega connected to the same battery, the current observed in the circuit is 0.3 A. Then the internal resistance of te battery is

A battery of emf 10V and internal resistance 3 ohm is connected to a resistor. If the current in the circuit is 0.5A, what is the resistance of resistance of resistor ? What is the terminal voltage of the battery when the circuit is closed?