19.which of the following statement is true?
a.the resistor is an electrical fixture that closes and opens the circuit
b.a watt meter is an instrument for measuring the electric power in volts
c.an individual compartment in a battery that stores electric charge is called a cell.
20.The following statement is true EXCEPT?
A.an ammeter us an istrument that is used to measure electric current in amperes
B.a terminal is a point of connection for opening an electric circuit
C.a power panel board serves as the distributor of electricity i our households from the power source