Answer to Question #52267 in Physics for vi

Question

Calculate the power of an electric fan which operates normally on a 240 - volts mains when drawing a current of 13A
3.12kW
4.24kW
1.43W
340W
7 How much current is drawn from a 240 V- mains by an appliance whose power rating is 130W?
0.54 A
1.85 A
0.36 A
2.12 A
8 Calculate the fuse rating for a fuse which is required to protect an appliance whose power rating is 1.2 kW and operated on a 240 V- mains given that the fuse rating is 120 per cent of the calculated current
13A
6A
16A
2A
9 Calculate the total load on the circuit to which 20 light bulbs each of 100W, 10 fans each of 90W and 2 water dispensers each of 1.2kW are connected and runs on a 240 V mains
11.2 kW
5.3 kW
3.8 kW
18.4 MW
10 A geyser with power rating of 2.5 kW is running on a 240 V - mains. Calculate the resistance to the flow of current offered by the geyser
23.04 ohms
16.80 ohms
36.15ohms
8.24 ohms