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| {"centerpiece": "In a 2 pole lap winding dc machine , the resistance of one conductor is 2\u03a9 and total number of conductors is 100. Find the total resistance", "options": ["200\u03a9", "100\u03a9", "50\u03a9", "10\u03a9"], "correct_options": ["C"], "correct_options_idx": [2], "correct_options_literal": ["50\u03a9"]} | |
| {"centerpiece": "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", "options": ["1 mA.", "2 mA.", "3 mA.", "4 mA."], "correct_options": ["B"], "correct_options_idx": [1], "correct_options_literal": ["2 mA."]} | |
| {"centerpiece": "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", "options": ["100 N.", "0.1 N.", "1 N.", "0.01 N."], "correct_options": ["B"], "correct_options_idx": [1], "correct_options_literal": ["0.1 N."]} | |
| {"centerpiece": "A point pole has a strength of 4\u03c0 * 10^-4 weber. The force in newtons on a point pole of 4\u03c0 * 1.5 * 10^-4 weber placed at a distance of 10 cm from it will be", "options": ["15 N.", "20 N.", "7.5 N.", "3.75 N."], "correct_options": ["A"], "correct_options_idx": [0], "correct_options_literal": ["15 N."]} | |