Question 6 (1 point) Electrons are made to flow in a wire when there is Question

Question

Question 6 (1 point)

Electrons are made to flow in a wire when there is

Question 6 options:

more potential energy at one end of the wire than the other.

a potential difference across its ends.

an imbalance of charges in the wire.

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Question 7 (1 point)

The current through a 10-ohm resistor connected to a 120-V power supply is

Question 7 options:

120 A.

1 A.

10 A.

12 A.

none of these

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Question 8 (1 point)

A 10-ohm resistor has a 5-A current in it. What is the voltage across the resistor?

Question 8 options:

15 V

5 V

more than 20 V

10 V

20 V

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Question 9 (1 point)

An ampere is a unit of electrical

Question 9 options:

pressure.

resistance.

current.

all of these

none of these

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more potential energy at one end of the wire than the other.

a potential difference across its ends.

an imbalance of charges in the wire.

Explanation / Answer

here,

6)

Electrons are made to flow in a wire when there is a potential difference across its ends

7)

The current through a 10-ohm resistor connected to a 120-V power supply is , I = V/R = 120/10 = 12 A

8)

A 10-ohm resistor has a 5-A current in it.the voltage across the resistor , V = I * R

V = 5 * 10 = 50 ohm

9)

An ampere is a unit of electrical current

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