Electric Circuits In a capacitive circuit, the capacitive reactance is indirectly proportional to the square of frequency directly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency indirectly proportional to the square of frequency directly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Metal alloys constantan and manganin. Platinum. Brass. Tungsten. Metal alloys constantan and manganin. Platinum. Brass. 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 battery charged too slowly. too much water is added. the electrolyte evaporates. sediment collect at the bottom of the battery. the battery charged too slowly. too much water is added. the electrolyte evaporates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Ceq of two capacitors connected in series is given by C1C2. C1 = C2. C1 C2 / (C1 + C2). C1 + C2. C1C2. C1 = C2. C1 C2 / (C1 + C2). C1 + C2. 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. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit to get Q>1 which of the following is required? XL All of these XL>R XL=R XL All of these XL>R XL=R ANSWER DOWNLOAD EXAMIANS APP