<p>(a) If an appliance of resistance R is connected to a source of voltage V, and current I flows through the appliance for a time t, then find the energy consume by appliance.</p>

<p>(b) Resistor of resistance 5<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>&#937;</mi></math>&nbsp;is connected across a battery of 6V. Calculate the energy that dissipates as heat in 10s.</p>