Circuits — Set 2

Heat produced in a resistor R by a current I in time t is given by which expression?

What does the current rating of a fuse wire represent?

Two identical bulbs are connected in series to a battery. Compared to a single bulb, each bulb glows how?

If the length of a uniform wire is doubled while keeping its area and material the same, what happens to its resistance?

What is the SI unit of electrical resistivity?

For most metallic conductors, how does resistance change when temperature increases?

In an RC charging circuit, the time constant τ corresponds to what change in capacitor voltage?

Two capacitors of 2 μF and 3 μF are connected in series. What is the equivalent capacitance?

Two capacitors of 2 μF and 3 μF are connected in parallel. What is the equivalent capacitance?

Which formula gives the energy stored in a capacitor of capacitance C at voltage V?