DET20033 (1)

The formula to find I when the values of V and R are known is

• I = VR

• I = R/V

• V = IR

• I = V/R

• 15 mA

• 1.5 mA

• 10 mA

• 1 mA

• 6°

• 60°

• 180°

• 27°

If the peak of a sine wave is 13 V, the peak-to-peak value is

• 26 V

• 6.5 V

• 13 V

• none of the above

A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is

• 45.12 mA

• 16 mA

• 22.6 mA

• 39.6 mA

A phasor represents

• the width of a quantity

• the phase angle

• the magnitude and a quantity direction

• the magnitude of a quantity

Total current in an RC circuit always leads the source voltage.

• True

• False

The capacitor voltage always leads the current by 90°.

• False

• True

The complex number 6 + j6 is equivalent to

• 55+j55

• 40+j40

• 45.88+j65.52

• 22.94+j32.77