81. When an alternating current passes through an ohmic resistance the electrical power converted into heat is
82. The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees.
83. The purpose of a parallel circuit resonance is to magnify
84. The safest value of current the human body can carry for more than 3 second is
85. In a highly capacitive circuit the
86. An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms,
87. Poor power factor
88. Form factor for a sine wave is
89. The frequency of domestic power supply in India is
90. Pure inductive circuit
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