Three charged balls, P, Q and R are suspended by insulating threads. Ball P is negatively charged. (See diagram) What are the charges on ball Q and on ball R?

C ball Q = negative; ball R = positive

A ball Q = positive; ball R = positive

B ball Q = positive; ball R = negative

B ball Q = negative; ball R = negative

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0654 Coordinated Sciences Electrical Quantities Quiz

Jeffrey Piggott 4 questions

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1Three charged balls, P, Q and R are suspended by insulating threads. Ball P is negatively charged. (See diagram)

What are the charges on ball Q and on ball R?
1. AA ball Q = positive; ball R = positive
2. BB ball Q = positive; ball R = negative
3. CC ball Q = negative; ball R = positive
4. DB ball Q = negative; ball R = negative
2Which copper wire would have the smallest resistance?
1. AA a long, thick wire
2. BB a long, thin wire
3. CC a short, thick wire
4. DD a short, thin wire
3In which unit is potential difference measured?
1. AA ampere
2. BB ohm
3. CC volt
4. DD watt
4Which material is a conductor of electricity?
1. AA brass
2. BB glass
3. CC plastic
4. DD wood

Description: Quiz for 0654 Coordinated Sciences on electrical quantities.
Author: Jeffrey Piggott
Language: English
Views: 167
Tags: charge electrons current positive voltage cambridge igcse coordinated sciences secondary 2
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