91. A capacitance of 100 uF is connected in series with a resistance of 8000 ohm. The time constant of the circuit is
92. Electric intensity at any point in an electric field is equal to the at that point.
93. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is
94. The dielectric constant (relative permittivity) of glass is given by
95. 1 volt/meter is same as
96. When the dielectric is homogeneous,the potential gradient is
97. An electric field line and an equipotential surface are
98. Paper condenser is
99. The direction of electric field due +0 positive charge is .
100. The capacitance of a capacitor is not affected by
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