centerpiece stringclasses 4 values | options sequence | correct_options sequence | correct_options_idx sequence | correct_options_literal sequence |
|---|---|---|---|---|
In a 2 pole lap winding dc machine , the resistance of one conductor is 2惟 and total number of conductors is 100. Find the total resistance | [
"200惟",
"100惟",
"50惟",
"10惟"
] | [
"C"
] | [
2
] | [
"50惟"
] |
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240*10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is | [
"1 mA.",
"2 mA.",
"3 mA.",
"4 mA."
] | [
"B"
] | [
1
] | [
"2 mA."
] |
Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be | [
"100 N.",
"0.1 N.",
"1 N.",
"0.01 N."
] | [
"B"
] | [
1
] | [
"0.1 N."
] |
A point pole has a strength of 4蟺 * 10^-4 weber. The force in newtons on a point pole of 4蟺 * 1.5 * 10^-4 weber placed at a distance of 10 cm from it will be | [
"15 N.",
"20 N.",
"7.5 N.",
"3.75 N."
] | [
"A"
] | [
0
] | [
"15 N."
] |
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