Electric Circuits Which of the following has positive temperature coefficient ? Germanium. Paper. Rubber. Gold. Germanium. Paper. Rubber. Gold. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 100 %. 50 %. 50 % - 100 %. less than 50 %. 100 %. 50 %. 50 % - 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current increases. the current remain unaltered. the current decreases. the current decreases abruptly. the current increases. the current remain unaltered. the current decreases. the current decreases abruptly. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q2 / d. Q2 × d. Q / d2. Q × d. Q2 / d. Q2 × d. Q / d2. Q × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of negative ions only. positive hole charges. positive ions only. positive and negative ions. negative ions only. positive hole charges. positive ions only. positive and negative ions. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The Laplace Transform of a shifted unit step f (t) = U (t-a) is (e-as)/s. e-as. se-as. s(1-e-as). (e-as)/s. e-as. se-as. s(1-e-as). ANSWER DOWNLOAD EXAMIANS APP