1) Magnetic flux is proportional to:
A) Magnetic Field
B) resistance of the coil
C) sine of the angle made between the coil and the magnetic field
D) All of the above

2.) A step-down transformer is designed to
A) Increase the output voltage
B) Reduce the output current
C) Transform an AC voltage to a DC voltage
D) None of the above

3.) The RMS-voltage in a house-hold power socket in the US is about:
A) 120 V
B) 110 V
C) 170 V
D) None of the above

4.) Reactance in an AC circuit is:
A) measured in Ohms
B) affected by voltage of the power supply
C) zero for a capacitor
D) zero for an inductor