Recent questions tagged wire

1 answer 32 views

State functions of ; i) Cable box ii) Guard wire iii) Shackle insulator iv) Stay wire used in service connection

asked Sep 20, 2018 in Industry Electrical Systems-I by Shimroz123
1 answer 54 views

The function of steel wire in ACSR conductors is (A) To take care of surges. (B) To reduce corona. (C) To reduce inductance. (D) To provide additional mechanical strength

asked May 8, 2018 in Electric Power Transmission by Shimroz123
1 answer 35 views

A fuse wire should have :  (A) Low specific resistance and high melting point (B) Low specific resistance and low melting point (C) High specific resistance and high melting point (D) High specific resistance and low melting point

asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 38 views

Increasing the number of turns of wire on the secondary of a transformer will  (A) Decrease the secondary current (B) Increase the primary current (C) Have no effect on the secondary current (D) Increase the secondary current

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 27 views

For a round wire, the approximate value of fusing current is given by

asked May 3, 2018 in Electrical Engineering by Shimroz123
1 answer 30 views

Aluminium is not used as winding wire for the armature of a dc machine because  (1) aluminium has low resistivity (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper

asked Apr 29, 2018 in Electrical Machine by Shimroz123
1 answer 18 views

lf the wire which is vertical to this page has electron flow downwards the conductor will have

asked Apr 26, 2018 in Electrical Engineering by Shimroz123
1 answer 26 views

Nichrome wire is an alloy of?

asked Mar 25, 2018 in Basic concepts by Shimroz123
1 answer 37 views

If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes?

asked Mar 25, 2018 in Basic concepts by Shimroz123
1 answer 27 views

The resistance of a few meters of wire conductor in closed electrical circuit is?

asked Mar 25, 2018 in Basic concepts by Shimroz123
1 answer 21 views

Wire-wound resistors are unsuitable for use at high frequencies because they?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 328 views

A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span?

asked Mar 22, 2018 in Engineering Mechanics by Shimroz123
2 answers 17 views

What happens when a current flows through a wire?

asked Mar 14, 2018 in Electrical Engineering by Quiz
1 answer 86 views

How do magnets and copper wire make electricity?

asked Mar 10, 2018 in Electric Power Generation by Quiz
1 answer 37 views

What is ACCC wire?

asked Mar 10, 2018 in Electric Power Distribution by Quiz
3 answers 43 views

How is electricity passed through a wire?

asked Mar 10, 2018 in Advanced electrical power system by Quiz
3 answers 113 views

Which color wire is neutral?

asked Dec 22, 2017 in Fundamentals of electrical power systems by Quiz
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