Electricity — Set 5

The value of Coulomb’s constant k in vacuum is approximately?

1 ampere is equal to?

1 kilowatt-hour (kWh) is equal to?

Which color code represents a 1 kΩ resistor (4-band, tolerance ignored)?

In a balanced Wheatstone bridge, the correct condition is?

A cell has emf 1.5 V and internal resistance 0.5 Ω. If current is 1 A, what is the terminal voltage?

For capacitors C1 and C2 in series, the equivalent capacitance is?

A capacitor of 2 μF is charged to 10 V. What energy is stored in it?

Electrical conductivity (σ) is related to resistivity (ρ) by?

A wire has R0 = 10 Ω at 0°C and temperature coefficient α = 0.004/°C. What is its resistance at 50°C?