What is the power rating of a device that draws 1.75 A of current when connected to a 180-V source?

Correct option is B

Correct Answer: B 315 W

Explanation:
The power rating of a device can be calculated using the formula:
P=I×V
where:

• P is the power in watts (W),
• I is the current in amperes (A),
• V is the voltage in volts (V).

Given:

• Current (I) = 1.75 A,
• Voltage (V) = 180 V.

Substitute the values into the formula:
P=1.75×180
P=315 W

Thus, the power rating of the device is 315 W.

Information Booster:

·         The power formula P=I×VP = I \times VP=I×V is derived from Ohm’s Law and basic principles of electricity.

·         Power is measured in watts (W), which quantifies the rate of energy consumption or transfer.

·         Higher current or voltage increases the power rating of a device.

·         Devices with higher power ratings consume more electricity and typically perform more intensive tasks.

·         Ensuring the correct power rating is essential for safe and efficient operation.