Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Metal alloys constantan and manganin. Brass. Tungsten. Platinum. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 1.27 A. 5.08 A. 10.16 A. 2.54 A. 1.27 A. 5.08 A. 10.16 A. 2.54 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electro-chemical equivalent is usually expressed in mg per kW. mg per kVA. mg per volt. mg per coulomb. mg per kW. mg per kVA. mg per volt. mg per coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is 14.14 A. 24.14 A. zero. 10 A. 14.14 A. 24.14 A. zero. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid colour of acid changes. lot of heat is generated. acid particles get separated. water start boiling. colour of acid changes. lot of heat is generated. acid particles get separated. water start boiling. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is f0 / 2. 2f0. still f0. f0 / 4. f0 / 2. 2f0. still f0. f0 / 4. ANSWER DOWNLOAD EXAMIANS APP
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