If a toy fan is connected across a battery for 2 minutes and we know that a charge transfer of 120 C takes place, through a cross-section of the wire, then find out the current in the circuit for that period of time.

120 A

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1 A

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240 A

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60 A

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Solution

The correct option is B 1 A
Given:
Electric charge flown, $Q = 120 C$
Time, $t = 2 m i n = 2 \times 60 = 120 s$

Current is defined as the rate of flow of electric charge.
$I = \frac{q}{t}$
$I = \frac{120 C}{120 s}$
$I = 1 A$

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If a toy fan is connected across a battery for 2 minutes and we know that a charge transfer of 120 C takes place, through a cross-section of the wire, then find out the current in the circuit for that period of time.

The correct option is B 1 AGiven: Electric charge flown, Q=120 C Time, t=2 min=2×60=120 s Current is defined as the rate of flow of electric charge. I=qt I=120 C120 s I=1 A

The correct option is B 1 A
Given:
Electric charge flown, $Q = 120 C$
Time, $t = 2 m i n = 2 \times 60 = 120 s$

Current is defined as the rate of flow of electric charge.
$I = \frac{q}{t}$
$I = \frac{120 C}{120 s}$
$I = 1 A$