BASIC ELECTRICITY - Quiz

1) What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?

94.8 ohms 95.8 ohms 96.8 ohms 97.8 ohms

2) What is the voltage of the immersion heater?
P = 500 watts
I = 2.27 Amps
V = ______Volts

200.3 volts 210.3 volts 220.3 volts 230.3 volts

3) What is the unit of intensity of magnetic field?

wb/m m/wb Hertz Coloumb

4) Which law states about electromagnetic induction?

Ohm's law Hooke's law Lenz's law Faraday's law

5) What is the formual for induced emf?

B²L sinq volts BL sinq volts BLV sinq volts B²V sinq volts