Question 1 (3 points)

Question

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The unit(s) for current is

Question 1 options:

Joules

Amps

Watt

Volts

Question 2 (3 points)

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The unit(s) for voltage is

Question 2 options:

Volts

Amps

Watt

Joules

Question 3 (3 points)

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The current in a resistor is 3.0 A, and its power is 60 W. What is the voltage?

Question 3 options:

200 V

20 V

2 V

0.2 V

Question 4 (3 points)

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The correct formula for electric power is

Question 4 options:

I = V × P

P = R × I

P = V × I

V = R × I

Question 5 (3 points)

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The unit(s) for power is

Question 5 options:

Amps

Volts

Joules

Watt

Answer 1

Here are the answers to your questions:

Question 1: The unit(s) for current is
Answer: Amps

Question 2: The unit(s) for voltage is
Answer: Volts

Question 3: The current in a resistor is 3.0 A, and its power is 60 W. What is the voltage?
To find voltage (V), you can use the formula for electric power:
\[ P = V \times I \]
From this, we can rearrange to find voltage:
\[ V = \frac{P}{I} \]
\[ V = \frac{60 , \text{W}}{3.0 , \text{A}} = 20 , \text{V} \]
Answer: 20 V

Question 4: The correct formula for electric power is
Answer: P = V × I

Question 5: The unit(s) for power is
Answer: Watt

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