Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 5 Ω. 20 Ω. 10 Ω. 40 Ω. 5 Ω. 20 Ω. 10 Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two battery having unequal emf can be connected in series only. cannot be connected in parallel. both a and d cannot be connected in series. can be connected in series only. cannot be connected in parallel. both a and d cannot be connected in series. 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 - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Final value theorem is not applicable for which of the following? Both 2 and 3 marginally stable systems stable systems unstable systems Both 2 and 3 marginally stable systems stable systems unstable systems ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The fixed circular paths around the nucleus are called orbits. nucleus. orbitals. mesons. orbits. nucleus. orbitals. mesons. ANSWER DOWNLOAD EXAMIANS APP