Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance. 100 Ohms. 1000 Ohms. 480 Ohms. 500 Ohms. 100 Ohms. 1000 Ohms. 480 Ohms. 500 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... both 1 and 2. None of these positive co-efficient. negative co-efficient. both 1 and 2. None of these positive co-efficient. negative co-efficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 675. 7.5. 3600. 240. 675. 7.5. 3600. 240. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The plates of lead acid storage battery are most likely to be short circuited if the electrolyte evaporates. too much water is added. the battery charged too slowly. sediment collect at the bottom of the battery. the electrolyte evaporates. too much water is added. the battery charged too slowly. sediment collect at the bottom of the battery. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation ic > id. ic + id = 0. ic < id. ic = id. ic > id. ic + id = 0. ic < id. ic = id. 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. None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} ANSWER DOWNLOAD EXAMIANS APP