Question

A student measures a temperature several times. The readings lie between 29.6 and 30.2 K. This
measurement is best recorded as:

Answer 1

When a voltage V of 12.2 V is applied to a DC motor, the current I in the motor is 0.20 A. Which one of the following is the output power VI of the motor given to the correct appropriate number of significant digits?

A. 2 W

B. 2.4 W

C. 2.40 W

D. 2.44 W

Answer 2

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