Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitance value of the plate will decrease. the plate will get short circuited. the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the plate will get short circuited. the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 3.6 k Ω. 2.4 k Ω. 1.2 k Ω. 7.2 k Ω. 3.6 k Ω. 2.4 k Ω. 1.2 k Ω. 7.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The plates of lead acid storage battery are most likely to be short circuited if sediment collect at the bottom of the battery. the electrolyte evaporates. the battery charged too slowly. too much water is added. sediment collect at the bottom of the battery. the electrolyte evaporates. the battery charged too slowly. too much water is added. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be 25 µF 10 µF 5 µF 1 µF 25 µF 10 µF 5 µF 1 µF ANSWER DOWNLOAD EXAMIANS APP