BASIC ELECTRICAL PRACTICE - Quiz

1) Which law states that in closed electric circuit, the applied voltage is equal to the sum of the voltage drops?

Ohm's law Laws of resistance Kirchhoff's first law Kirchhoff's second law

2) Calculate the total power of the circuit of two lamps rated as 200W/240V are connected in series across 240V supply?

50 W 100 W 200 W 400 W

3) What is the change of resistance value of the conductor as its diameter is doubled?

Increases to two times Decreases to four times Decrease to half of the value No change in value of resistance

4) Which material is having negative temperature co-efficient property?

Mica Eureka Copper Manganin

5) What electrical quantities are related in Ohm's law?

Current, resistance and power Current, voltage and resistivity Current, voltage and resistance Voltage, resistance and current density