Electrostatic and Capacitance The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value 42 45 54 37 42 45 54 37 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 2.0 to 4.0 0.1 to 0.4 5 to 100 0.5 to 1.0 2.0 to 4.0 0.1 to 0.4 5 to 100 0.5 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A field line and an equipotential surface are always at 90° inclined at any angle 0 None of these always parallel always at 90° inclined at any angle 0 None of these always parallel ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The total deficiency or excess of electrons in a body is known as Potential gradient Charge Voltage Current Potential gradient Charge Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 70.5 ms 3.5 ms 35 ms 352 ms 70.5 ms 3.5 ms 35 ms 352 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is 10 KV/m 50 KV/m 30 KV/m 100 KV/m 10 KV/m 50 KV/m 30 KV/m 100 KV/m ANSWER DOWNLOAD EXAMIANS APP
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