Electricity and Circuits - SS1 Physics Past Questions and Answers (page 2)

11

A resistor has a resistance of 100 ohms. If a current of 2 amperes flows through it, what is the voltage across the resistor?

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A

50 volts

B

200 volts

C

100 volts

D

2 volts

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12

If the resistance of a conductor is increased while keeping the voltage constant, what happens to the current flowing through the conductor?

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A

It decreases

B

It increases

C

It remains the same

D

It becomes zero

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13

A resistor has a resistance of 5 ohms. If a current of 2 amperes flows through it, what is the voltage across the resistor?

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14

A circuit has a voltage of 12 volts applied across a resistor with a resistance of 3 ohms. What is the current flowing through the resistor?

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15

A circuit has a voltage of 24 volts applied across a resistor, and a current of 2 amperes flows through it. What is the resistance of the resistor?

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16

In a series circuit, the current passing through each component is:

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A

Different

B

The same

C

Dependent on resistance

D

Dependent on voltage

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17

In a parallel circuit, the voltage across each component is:

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A

Different

B

The same

C

Dependent on resistance

D

Dependent on current

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18

In a series circuit, the total resistance is equal to:

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A

The sum of individual resistances

B

The product of individual resistances

C

The difference of individual resistances

D

The average of individual resistances

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19

In a parallel circuit, the total resistance is:

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A

Greater than the smallest individual resistance

B

Less than the smallest individual resistance

C

Equal to the sum of individual resistances

D

Independent of individual resistances

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20

In a parallel circuit, the total current is:

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A

Greater than the smallest individual current

B

Less than the smallest individual current

C

Equal to the sum of individual currents

D

Independent of individual currents

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Electricity and Circuits - SS1 Physics Past Questions and Answers - page 2