Out of the following which is an insulating material________?
ACopper
BSilver
CGold
DPaper
Correct answer
D. Paper
Explanation
The correct answer is Paper.
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Study 121 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. Paper
Explanation
The correct answer is Paper.
Correct answer
C. Energy
Explanation
1 kWh is the amount of energy used by a 1 kW (1000 watt) resistance for 1 hour. Energy = Power × Time.
Correct answer
B. Power
Explanation
The SI unit of power is the watt and it is discover by the Scottish Engineer James Watt. Power is the rate of consumption of electric energy. So, it is equivalent to joules per second.
Correct answer
D. decreases
Explanation
The correct answer is decreases.
Correct answer
D. Aluminium
Explanation
The correct answer is Aluminium.
Correct answer
C. non-linear resistors
Explanation
The correct answer is non-linear resistors.
Correct answer
A. nickel and chromium
Explanation
The correct answer is nickel and chromium.
Correct answer
C. 6.25×10 18
Explanation
The correct answer is 6.25×10 18.
Correct answer
C. Manganin
Explanation
The correct answer is Manganin.
Correct answer
A. Magnetic susceptibility
Explanation
Magnetic susceptibility is the degree to which a material is magnetized by an external magnetic field, hence in the SI system it is dimensionless.