[" (i) "quad (i)[[0],[" (a) "]],[[" (i) In which circuit are the lamps dimmest? "],[" (b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i) ? "]]

Consider the circuits given below: (a) In which circuit are the lamps dimmest? (b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i)? (c) Which circuit gives out the maximum light?

In the given circuit calculate potential difference across the lamp and resistor.

In the circuit given, find the currents I, I, and I_2 in the circuit. (br)

In the circuit given, find the currents I, I, and I_2 in the circuit. (br)

In an electric circuit, potential difference across a lamp is 20 V and current through the lamp is 0.5A. The resistance of the lamp is

(a) Draw a circuit diagram showing two lamps, one cell and a switch connected in series. (b) How can you change the brightness of the lamps?

What is the current (I) in the circuit ?