Question

Numericals :
1. In transferring 1.5 C charge through a wire, 9 J of
work is needed. Find the potential difference across
the wire.
2. A cell of potential difference 12 V is connected to a
bulb. The resistance of filament of bulb when it glows,
is 24 12. Find the current drawn from the cell.
3. A bulb draws current 1.5 A at 6-0 V. Find the resistance
of filament of bulb while glowing.
4. A current 0.2 A flows in a wire of resistance
15 2. Find the potential difference across the ends of
the wire.
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Answer 1

Answer:

1) It is in the picture

2)According to the Ohm's law, the value of current is given as: I=V/R

According to the Ohm's law, the value of current is given as: I=V/RThe potential difference is 12 V and the resistance of filament of bulb when it glows, is 24 Ω.

According to the Ohm's law, the value of current is given as: I=V/RThe potential difference is 12 V and the resistance of filament of bulb when it glows, is 24 Ω. Hence, the current drawn from the cell is: I=

According to the Ohm's law, the value of current is given as: I=V/RThe potential difference is 12 V and the resistance of filament of bulb when it glows, is 24 Ω. Hence, the current drawn from the cell is: I= 24Ω12V=0.5 A