The current in a given circuit is not to exceed 24 A. Which value of fuse is best?
a fuse is not necessary
10 A
24 A
20 A
Correct answer is C
No explanation has been provided for this answer.
An ohmmeter is an instrument for measuring
current
voltage
resistance
wattage
Correct answer is C
No explanation has been provided for this answer.
A red, red, orange, gold resistor has a nominal value of
22,000 Ω
2,200 Ω
22 Ω
2.2 Ω
Correct answer is A
No explanation has been provided for this answer.
An ammeter is an electrical instrument used to measure
current
voltage
resistance
none of the above
Correct answer is A
No explanation has been provided for this answer.
A neutral atom with an atomic number of five has how many electrons?
1
5
none
depends on the type of atom
Correct answer is B
No explanation has been provided for this answer.
A wiper is the sliding contact in a
switch
photoconductive cell
thermistor
potentiometer
Correct answer is D
No explanation has been provided for this answer.
The unit of electrical charge is the
volt
ampere
joule
coulomb
Correct answer is D
No explanation has been provided for this answer.
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