Electric Circuits The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 55.1 µ joules. 18 µ joules. 10 µ joules. 20 µ joules. 55.1 µ joules. 18 µ joules. 10 µ joules. 20 µ joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its number of poles. both speed and number of poles. speed. nature of supply. number of poles. both speed and number of poles. speed. nature of supply. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. 3 Ω and 6 Ω. 6 Ω and 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is directly proportional to the square of frequency indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Highest current density is usually recommended for cadmium plating. tin plating. bronze plating. chromium plating. cadmium plating. tin plating. bronze plating. chromium plating. ANSWER DOWNLOAD EXAMIANS APP