Electrical circuits

Question 1

Describe what current is, and calculate using: I = Q/t

Answer 1

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Question 2

Describe potential difference, and calculate using: V = W/Q

Answer 2

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Question 3

Draw and interpret circuit diagrams, using correct symbols.

Answer 3

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Question 4

Explain the applications of thermistors and LDRs in circuits in terms of how their resistance

Answer 4

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Question 5

Interpret current-potential difference graphs for resistors at a constant temperature, filament bulbs

Answer 5

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Question 6

Describe the relationship between resistance and potential difference & current

Answer 6

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Question 7

Use the equation: V = I x R

Answer 7

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Question 8

Describe current, resistance and potential difference in series and parallel circuits.

Answer 8

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Question 9

Describe the properties and used of LEDs.

Answer 9

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