Electric Circuits A current is said to be alternating when it changes in magnitude. direction. none of these. both ‘a’ and ‘b’. magnitude. direction. none of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are none of these. semi-conductor. conductor. insulator. none of these. semi-conductor. conductor. insulator. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is 100 ohms zero infinite finite 100 ohms zero infinite finite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as (Zsc . Zoc)½ Zsc/Zoc Zsc-Zoc Zsc+Zoc (Zsc . Zoc)½ Zsc/Zoc Zsc-Zoc Zsc+Zoc ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s current law is used for nodal analysis. finding equivalent resistance. representing a current source. loop analysis. nodal analysis. finding equivalent resistance. representing a current source. loop analysis. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 2:4:6. 2:3:6. 6:4:2. 6:3:2. 2:4:6. 2:3:6. 6:4:2. 6:3:2. ANSWER DOWNLOAD EXAMIANS APP
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