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If the current through a 10Ω resistor is 2A, what is the voltage across the resi
If the current through a 10Ω resistor is 2A, what is the voltage across the resistor?
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Practice Questions
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Q1
If the current through a 10Ω resistor is 2A, what is the voltage across the resistor?
5V
10V
20V
30V
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Using Ohm's law, V = I * R = 2A * 10Ω = 20V.
Questions & Step-by-step Solutions
1 item
Q
Q: If the current through a 10Ω resistor is 2A, what is the voltage across the resistor?
Solution:
Using Ohm's law, V = I * R = 2A * 10Ω = 20V.
Steps: 5
Show Steps
Step 1: Identify the values given in the problem. We have a resistor with a resistance of 10 ohms (Ω) and a current of 2 amperes (A).
Step 2: Recall Ohm's law, which states that voltage (V) is equal to current (I) multiplied by resistance (R). The formula is V = I * R.
Step 3: Substitute the values into the formula. Replace I with 2A and R with 10Ω: V = 2A * 10Ω.
Step 4: Perform the multiplication. Calculate 2 * 10, which equals 20.
Step 5: Write down the result. The voltage across the resistor is 20 volts (V).
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