A 100 W bulb together with its power supply is suspended from a sensitive balance. Find the change in the mass recorded after the bulb remains on for 1 year .

A 100 W 200 V bulb is connected to a 160 V power supply. The power consumption would be

A 100 W 200 V bulb is connected to a 160 V power supply. The power consumption would be

A 100 W , 200 V bulb is connected to a 160 V power supply. The power consumption would be

n identical bulbs are connected in series and illuminated by a power supply . One of the bulbs gets fused. The fused bulb is removed , and the remaining bulbs are again illuminated by the same power supply. Find the fractional change in the illuminated of (a) all the bulbs and (b) one bulb.

n identical bulbs are connected in series and illuminated by a power supply . One of the bulbs gets fused. The fused bulb is removed , and the remaining bulbs are again illuminated by the same power supply. Find the fractional change in the illuminated of (a) all the bulbs and (b) one bulb.

3% of energy of 100 W bulb is converted into visible light. Find the average intensity on a spherical surface 1 m away from the bulb consider the bulb is point source and medium is isotropic.

A 100 W, 200 V bulb is connected to a 160 V supply. The power consumption would be

A 100 W bulb is designed to operate on a potential difference of 230 V . (i) Find the resistance of the bulb. (ii) Find the current drawn by the bulb if it is operated at a potential difference for which it is designed. (iii) Find the current drawn and power consumed by the bulb if it is connected to a 200 V supply.

A 100 W bulb is designed to operate on a potential difference of 230 V . (i) Find the resistance of the bulb. (ii) Find the current drawn by the bulb if it is operated at a potential difference for which it is designed. (iii) Find the current drawn and power consumed by the bulb if it is connected to a 200 V supply.

A 100 W-200 V bulb is connected to a 160 V supply. The actual power consumption would be