Set 4 - Online Multiple choice questions for Electricity for MEO class 4

1. Large cable sizes are formed as individual conductors that may be comprised of several smaller strands to __________.
choose one obtain the flexibility required for easy handling reduce the overall weight of the wire run reduce the number of supports all of the above

2. Which of the following is having Di-Electric Constant 80?
choose one Air Water Caster Oil Mica

3. Where a thermal-acting breaker is required to be used in an area of unusually high, low, or constantly fluctuating temperatures, an ambient compensating element must be used. This element consists of a ______________.
choose one cylindrical spring on the contact arm conical spring on the contact arm second bimetal element second electromagnet

4. The direction of magnetic flux changes when the direction of current is reversed.
choose one True False Dont Know Dont Know

5. In a P-Type Semiconductor, the majority current Carriers are ___________.
choose one Holes Electrons Protons All of the above

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