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?
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?
- A
$3\;V$
- B
$15\;V$
- C
$5\;V$
- D
$45\;V$
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$(a)$ State the commercial unit of electric energy and find its relation with its $SI$ unit.
$(b)$ The current through a resistor is made three times its initial value. Calculate how it will affect the heat produced in the resistor.
$(c)$ Find the increase in the amount of heat generated in a conductor if another conductor of double resistance is connected in the circuit keeping.all other factors unchanged.