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Physics Grade 10, SA2

Authored by RWS Secondary

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10th Grade

Used 38+ times

Physics Grade 10, SA2
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35 questions

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1.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

The diagram shows a circuit with a 3Ω resistor and a 2Ω resistor connected in parallel.

The switch is open, and the ammeter reads 2.0A. The switch is now closed and the ammeter reads the total current in both resistors. What is the ammeter reading with the switch closed?

A. 1.2A

B. 3.0A

C. 4.0A

D. 5.0A

A

B

C

D

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

A 30Ω resistor is connected in series with another resistor and a 6.0V battery. The current in the circuit is 0.12A. A voltmeter is connected across the other resistor.

What is the reading on the voltmeter?

A. 2.4V

B. 3.6V

C. 6.0V

D. 9.6V

A

B

C

D

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

Three charged balls, P, Q and R are suspended by insulating threads. Ball P is negatively charged.

What are the charges on ball Q and on ball R?

A. Ball Q positif , Ball R positif

B. Ball Q positif, Ball R negative

C. Bal Q negative, Ball R positif

D. Ball Q negative, Ball R negative

A

B

C

D

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Which equation can be used to calculate the resistance R of a resistor?

A. V = I ÷ R

B. I = V × R

C. R = V × I

D. V = I × R

A

B

C

D

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

In which unit is potential difference measured?

A. ampere

B. ohm

C. volt

D. watt

A

B

C

D

6.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

An ammeter and an 18Ω resistor are connected in series with a battery. The reading on the ammeter is 0.50A. The resistance of the battery and the ammeter can be ignored.

What is the electromotive force (e.m.f.) of the battery?

A. 9.0N

B. 9.0V

C. 36N

D. 36V

A

B

C

D

7.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

In the circuit shown, the ammeter reads 2.0A and the voltmeter reads 12V.

How much energy is transferred by the resistor in 10 seconds?

A. 2.4 J

B. 14.4 J

C. 240 J

D. 1440 J

A

B

C

D

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