Electric Circuits Resistance of which material does not change with change in temperature? Brass. Tungsten. Metal alloys constantan and manganin. Platinum. Brass. Tungsten. Metal alloys constantan and manganin. Platinum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 30o. 45o. 90o. 0o. 30o. 45o. 90o. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid water start boiling. acid particles get separated. lot of heat is generated. colour of acid changes. water start boiling. acid particles get separated. lot of heat is generated. colour of acid changes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be value of resistivity of copper? 1.7 X 10 - 4. 1.7 X 10 - 5. 1.7 X 10 - 6. 1.7 X 10 - 3. 1.7 X 10 - 4. 1.7 X 10 - 5. 1.7 X 10 - 6. 1.7 X 10 - 3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a delta network each element has value R. The value of each element in equivalent star network will be R / 4. R / 6. R / 3. R / 2. R / 4. R / 6. R / 3. R / 2. ANSWER DOWNLOAD EXAMIANS APP