IO6- Simple circuit theory / Primary and Secondary Cells

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A radio transmitter draws 3 amps from a 12V power supply. What is the power used?
1. 4 Watts
2. 9 Watts
3. 15 Watts
4. 36 Watts
A piece of equipment produces 10 Watts of power from a 20 Volt power supply. What is the current drawn by the circuit?
1. 200 Amps
2. 10 Amps
3. 0.5 Amps
4. 0.5 milli Amps
Three 100 Ohm resistors are placed in parallel and these parallel resistors are placed in series woth a 200Ohm resistor. What is the total resistance?
1. 500 Ohms
2. 1000 Ohms
3. 167 Ohms
4. 233 Ohms
Two 50 Ohms resistors are connected in series to a 9V battery. What is the voltage drop across one of the 50 Ohm resistors?
1. 9V
2. 5V
3. 4.5V
4. 3V
Batteries store energy in the form of
1. Electrical energy
2. Chemical energy
3. Kinetic energy
4. Heat energy

IO6- Simple circuit theory / Primary and Secondary Cells

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