The amount of $2\, A$ electric current is passed for $1\, minute$ through a conducting wire. How much total electric charge will pass through this wire?
$2\;C$
$30\;C$
$60\;C$
$120\;C$
Why do the wires connecting an electric heater to the mains not glow while its heating element does ?
A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure. The current recorded in the ammeter will be
Calculate the equivalent resistance in the combination shown in figure below
If the work done to take $3 \,C$ electric charge from one point to another point is $15 \,J$, what will be the potential difference between these two points?
Define electric circuit. Distinguish between open and closed circuit.