The instrument used to measure electrical resistance is called
(A) An ohmmeter
(B) An ammeter
(C) A voltmeter
(D) A wattmeter correct answers A
Electricity is defined as the flow of ___ along a ___
(A) electrons, resistor
(B) electrons, conductor
(C) positrons, conductor
(D) neutrons, pathway correct answers B
The property of a circuit that opposes the flow of electrons is
(A) Reactance
(B) Capacitance
(C) Resistance
(D) Inductance correct answers C
A 120-volt circuit has resistance 6 ohms. How much current is present in the circuit?
(A) 0.2 amperes
(B) 20 amperes
(C) 40 amperes
(D) 720 amperes correct answers B
When the secondary side of a transformer has more turns than the primary side, the output
voltage will be ___ the input voltage.
(A) Lower than
(B) Higher than
(C) The same as
(D) The square root of correct answers B
Capacitors connected in series obtain a resulting value
(A) Greater than the sum of the individual capacitor values
(B) Equal to the sum of the individual capacitor values
(C) Less than that of the smallest capacitance
(D) Produces neutral change in capacitance values correct answers C
Another name for a transistor is
(A) Integrated circuit
(B) Semiconductor
(C) Transfer resistor
(D) Pettigrew connector correct answers C
Current that changes polarity many times per second is called