Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 5 times greater than before. 10 times greater than before. 25 times larger than before. 5 times smaller than before. 5 times greater than before. 10 times greater than before. 25 times larger than before. 5 times smaller than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 5.77. 2.36. 1.92. 4.71. 5.77. 2.36. 1.92. 4.71. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be? Ceramic capacitor. Paper capacitor. Electrolytic capacitor. Any of above. Ceramic capacitor. Paper capacitor. Electrolytic capacitor. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits By which of the following elements transients will not occur? All of these R C L All of these R C L ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is 0° 45° - 90° 90° 0° 45° - 90° 90° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} ANSWER DOWNLOAD EXAMIANS APP