Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 100 Hz. 150 Hz. 50 Hz. 0 Hz. 100 Hz. 150 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for reciprocity in case of ABCD parameters is AB-CD = 0. AD-BC = 1 . AB-CD = 1. AD-BC = 0. AB-CD = 0. AD-BC = 1 . AB-CD = 1. AD-BC = 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both ‘b’ and ‘c’ both have the same potential difference. both carry the same value of current. total current equals the sum of branch currents. both ‘b’ and ‘c’ both have the same potential difference. both carry the same value of current. total current equals the sum of branch currents. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 50 % of the original load. 25 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 50 % of the original load. 25 % of the original load. 66.66 % of the original load. 33.33 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms have no electric charge because they have neutrons in their nuclei. have an equal number of charged and non charged particles. have an equal number of neutrons and protons. have an equal number of electrons and protons. have neutrons in their nuclei. have an equal number of charged and non charged particles. have an equal number of neutrons and protons. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. R > r. None of these R < r. R = r. R > r. None of these R < r. ANSWER DOWNLOAD EXAMIANS APP
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