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- 1. Multiple Choice
What is the equation that links energy transferred (E), power (P) and time (t)?
Power = Energy Transferred / Time, or P=E/t
Power = Time / Energy Transferred, or P=t/E
Power = Energy Transferred x Time, or P=Et
- 2. Multiple Choice
What is the equation that links charge (Q), current (I) and time (t)?
Charge = Current x Time, or Q=It
Charge = Current / Time, or Q=I/t
Charge = Time / Current, or Q=t/I
- 3. Multiple Choice
What is the equation that links current (I), potential difference (V) and power (P)?
Power = Potential Difference x Current, or P=VI
Power = Potential Difference / Current, or P=V/I
Power = Current / Potential Difference, or P=I/V
- 4. Multiple Choice
What is the equation that links current (I), power (P) and resistance (R)?
Power = Current² x Resistance, or P=I2R
Power = Resistance² x Current, or P=R2I
Power = Resistance² / Current, or P=R2/I
- 5. Multiple Choice
What is the equation that links charge (Q), energy transferred (E) and potential difference (V)?
Energy Transferred = Charge / Potential Difference, or E=Q/V
Energy Transferred = Potential Difference / Charge, or E=V/Q
Energy Transferred = Charge x Potential Difference, or E=QV
- 6. Multiple Choice
What is the equation that links current (I), potential difference (P) and resistance (R)?
Potential difference = Current x Resistance, or V=IR
Potential difference = Current / Resistance, or V=I/R
Potential difference = Resistance / Current, or V=R/I
- 7. Multiple Choice
What is the equation that links efficiency, total power (or energy) in and useful power (or energy) out?
Efficiency = Useful Power (or Energy) Out / Total Power (or Energy) In
Efficiency = Useful Power (or Energy) Out x Total Power (or Energy) In
Efficiency = Total Power (or Energy) In / Useful Power (or Energy) Out
- 8. Multiple Choice
What is the equation that links Power (P), Time (t) and Work Done (W)?
Power = Time x Work Done, or P=tW
Power = Time / Work Done, or P=t/W
Power = Work Done / Time, or P=W/t
- 9. Multiple Choice
What are the units of Power?
Watts
Ohms
Volts
Coulombs
- 10. Multiple Choice
What are the units of Resistance?
Watts
Ohms
Volts
Coulombs
- 11. Multiple Choice
What are the units of Potential difference?
Watts
Ohms
Volts
Coulombs
- 12. Multiple Choice
What are the units of Charge?
Watts
Ohms
Volts
Coulombs
- 13. Multiple Choice
In which type of circuit the current the same at any point?
Series
Parallel
- 14. Multiple Choice
In which type of circuits does the a addition of bulbs cause them to dim?
Series
Parallel
- 15. Multiple Choice
This is the symbol for which component?
Resistor
Thermistor
LED
Variable resistor
- 16. Multiple Choice
This is the symbol for which component?
Resistor
Thermistor
LED
Variable resistor
- 17. Multiple Choice
This is the symbol for which component?
Resistor
Thermistor
LED
Variable resistor
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