Three `100W, 150V` lamps are connected across a `150V power line as shown. Find (a) Voltage across each lamp and (b) total power dissipated in three bulbs.

Three 60 W , 120 V light bulbs are connected across a 120 V power lines as shown in Fig. 7.26 . Find (a) the voltage across each bulb and (b) the total power dissipated in the three bulbs.

Three 60 W , 120 V light bulbs are connected across a 120 V power lines as shown in Fig. 7.26 . Find (a) the voltage across each bulb and (b) the total power dissipated in the three bulbs.

Find R if power dissipated in the circuit is 150 W

Three 60 W, 120 V light bulbs are connected across a 120 V source as shown in figure. The total power dissipation in the three bulbs are

There 60 W , 120 V light bulbs are connected across a 120 V powe source. If resistance of each bulb does not change with current then find out total powe deliver to the three bulbs.

Three equal resistors connected in series across a source of emf E dissipate total power of 90 watts. Find the total power dissipated if the same resistors are connected in parallel across the same source of emf.

Two incandescent lamps (25 W , 120 V ) and (100W , 120 V ) are connnected in series across a 240 V supply . Assuming that the resistances of the lamps do not vary with current ,find the power dissipated in each lamp after the connection .

Two electric lamps of 40 W each are connected in parallel across the mains supply. Find the total power consumed by the two bulbs together.