In the figure shown. each resistor is of 200 and the cell has emf 10 volt with negligible internal resistance Then rate of joule heating in the circuit is (in watts) 20 10 10 3) 4) 10

In the figure shown, each resistor is of 20 Omega and the cell has emf 10 volt with negligible internal resistance. Then rate of joule heating in the circuit is (in watts)

In the circuit shown in fig. the cell has emf 10V and internal resistance 1 Omega

In the circuit shown in fig. the cell has emf 10V and internal resistance 1 Omega

A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I in the circuit will be :

A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be

A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be

In a network as shown in the figure , the potential difference across the resistance 2 R is (the cell has emf E - volt and no internal resistance )

A potentiometer wire of length 100 cm has resis tance of 10 ohms. It is connected in series with a resistance R and a cell of emf 2V and negligible in ternal resistance. The circuit is as shown below. - What is the principle of a potentiometer ?