Kindly answer the question in the box mentioned below:

1 Which is the exclusive parameter to designate AC power compare with DC power supply?

A Current

B Voltage

C Frequency

D Resistance

2 Which is the parameter measured by voltmeter?

A EMF

B Current

C Frequency

D Resistance

3 Which is the parameter measured by Ammeter?

A EMF

B Current

C Frequency

D Resistance

4 Which is the parameter measured by Ohmmeter?

A EMF

B Current

C Frequency

D Resistance