6. 11. Three resistors of 1Ohm, 0.005k/Ohm and 500m/Ohm are connected in series across a 52 volt d.c. supply. Calculate the total power supplied to the circuit.
416W
407
496
416
7. 6. Two resistors of 25Ohm and 95Ohm are connected in series across a 240 volt d.c. supply. Calculate: the power absorbed by each resistor
200W and 5W
200W and 620W
100W and 380W
50W and 150W
8. 11. Three resistors of 1 Ohm, 0.005k/Ohm and 500m/Ohm are connected in series across a 52 volt d.c. supply. Calculate the power absorbed by each resistor
64W, 403W and 29W
64W, 320W and 32W
60W, 315W and 32W
55W, 320W and 41W
9. 8. A joint in a cable has a resistance of 0.0236 Ohm Calculate the power developed in the joint when a current of 40 amperes is flowing in the cable.
42.78W
12.21W
37.76W
26.14W
10. 7. Calculate the value of resistor that absorbs 1kW of power when a current of 10 amperes is flowing.
10 Ohm
9Ohm
15 Ohm
12 Ohm
11. 6. Two resistors of 25Ohm and 95Ohm are connected in series across a 240 volt d.c. supply. Calculate the total power drawn from the supply.
480W
400W
200W
580W
12. The voltage drop in a cable carrying 10.5 amperes is 4.6 volts. Calculate the power wasted in the cable.
