Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. R. 4R. 2R. 0.5R. R. 4R. 2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Pure metal generally have high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and zero temperature coefficient. low conductivity and high temperature coefficient. high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and zero temperature coefficient. low conductivity and high temperature coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For finding the Z11 parameter at the input port of a two port network output port is open circuited. input port is open circuited. input port is short circuited. output port is short circuited. output port is open circuited. input port is open circuited. input port is short circuited. output port is short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? BYR. YBR. RBY. RYB. BYR. YBR. RBY. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are the passive elements? Resistor None of these. Bulb Both Resistor None of these. Bulb Both ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be passive when it contains voltmeter. current source. voltage source. battery. voltmeter. current source. voltage source. battery. ANSWER DOWNLOAD EXAMIANS APP