113. The coercive force in a ferrowmagnetic material is related to the
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114. Hysteresis loss is caused by
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115. Hysteresis loss is proportional to
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116. The energy stored in the magnetic field of a solenoid 30 cm. long and 3 cm diameter would with 1,000 turns of wire carrying current of 10 A is
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117. A coil with a certain number of turns has a specified time constant. If the number of turns is doubled, its time constance would
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118. At a certain current, the energy stored a an iron-corred coil is 1,000 J and its copper loss is 2,000W. The time constant (in seconds) of the coil is
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119. Two coils having equal resistance but different inductances are connected in series. The time constant of the series combination is the
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