Calculating Energy Transfers (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes

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Calculating Energy Transfers
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Appliances transfer which type of energy to useful forms?

Electrical energy

What useful energy does a fan transfer electrical energy to?

Kinetic energy

What useful energy does an oven convert electrical energy to?

Thermal energy

Which equation calculates energy transferred by an appliance?

E=PtE = Pt

What is the unit for energy EE in the equation E=PtE = Pt?

Joules (J)

What is the unit for power PP in the equation E=PtE = Pt?

Watts (W)

What is the unit for time tt in the equation E=PtE = Pt?

Seconds (s)

What happens to energy transferred if an appliance has a higher power rating?

More energy is transferred

What happens to energy transferred if an appliance is switched on for longer?

More energy is transferred

Calculate energy transferred by a 500 W appliance running for 60 s using E=PtE = Pt.

30000 J

Explore OCR GCSE Physics A, Combined (Gateway Science Suite) Revision Notes by Topics

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Energy Transfers

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Current, Potential Difference & Resistance

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Explore OCR GCSE Physics A, Combined (Gateway Science Suite) Exam Questions by Topics

Current, Potential Difference & Resistance

Series & Parallel Circuits

Energy Transfers

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