What is the power in the given circuit? 3.6 W 35 W 175 W 245 W

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35 W

Ohm's Law problems

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3. Power supplies are regulated to prevent the output voltage from changing due to changes in the
Options
A. line voltage
B. supply load
C. frequency
D. both line voltage and supply load

5. If the voltage across a fixed value of resistance is increased five times, what does the current do?
Options
A. It increases by a factor of five.
B. It decreases by a factor of five.
C. It stays the same.
D. Not enough information

8. Ohm's law describes the mathematical relationship between
Options
A. ohms, kilohms, and megohms
B. resistor size and resistor value
C. resistance, voltage, and current
D. none of the above

9. If doubling the voltage across a resistor doubles the current through the resistor then
Options
A. the resistor value decreased
B. the resistor value did not change
C. the resistor value increased
D. it is impossible to determine the change in the resistor value

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