A student connects a battery to a 30 Ω resistor. She measures a current of 0.20 Amps. What is the voltage supplied by the battery?
30.2 V
0.0067 V
150 V
6.0 V
2. Multiple Choice
3 minutes
1 pt
Penny connects a 9 volt battery to a circuit that has a resistance of 30 Ω. Determine the flow of current.
270 Amps
0.3 Amps
3.33 Amps
2.7 Amps
3. Multiple Choice
1 minute
1 pt
A closed conducting circle or loop through which current can flow
CIRCUIT
FUSE
G.F.C.I.
CRICKET
4. Multiple Choice
1 minute
1 pt
The only protection device designed to protect people against electric shock from an electrical system.
BREAKER
FUSE
G.F.C.I.
GOGGLES
5. Multiple Choice
1 minute
1 pt
rate at which work is done or energy is transformed
VOLTAGE
ELECTRIC POTENTIAL
AMPERES
POWER
6. Multiple Choice
1 minute
1 pt
Penny connects a 9 volt battery to a circuit that has a resistance of 30 Ω. Determine the power dissipated by the circuit.
270 Watts
3.33 Watts
0.3 Watts
2.7 Watts
7. Multiple Choice
2 minutes
1 pt
A student connects a battery to a 30 Ω resistor. She measures a current of 0.20 Amps. What is the power used by the resistor?
1.2 Watts
6 Watts
150 Watts
0.0067 Watts
8. Multiple Choice
30 seconds
1 pt
This type of meter is connected in parallel because it has HIGH resistance.
Thermometer
Voltmeter
Ammeter
Poteniometer
9. Multiple Choice
1 minute
1 pt
This type of meter is NEVER connected in parallel because it has LOW resistance.
VOLTMETER
BAROMETER
MILLIMETER
AMMETER
10. Multiple Choice
2 minutes
1 pt
Find the current in a 60-watt bulb plugged into a 120-volt outlet.
7200 Amps
0.5 Amps
2.0 Amps
15.0 Amps
11. Multiple Choice
30 seconds
1 pt
Find the current in a 26-watt CFL plugged connected to a 120-volt outlet.
0.312 Amps
4.6 Amps
15 Amps
0.22 Amps
12. Multiple Choice
2 minutes
1 pt
Find the power of a saw that draws 6.0 amps of current when plugged into a 110-volt outlet.
660 Watts
0.055 Watts
18.3 Watts
110 Watts
13. Multiple Choice
2 minutes
1 pt
Consider the circuit in the picture. If each lamp operates at 15 Ω, how much voltage would be needed to maintain a current of 0.30 Amps (or 300 milliamps) in the circuit.
4.5 Volts
50 Volts
13.5 Volts
less than 1 Volt
14. Multiple Choice
2 minutes
1 pt
A series circuit has 2 lamps. Lamp 1 (L1) has a resistance of 75 Ω and lamp 2 (L2) has a resistance of 10 Ω. When they are connected to a 9 volt battery what will happen?