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? 33.33 % of the original load. 50 % of the original load. 66.66 % of the original load. 25 % of the original load. 33.33 % of the original load. 50 % of the original load. 66.66 % of the original load. 25 % of the original load. 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 decreases. the current decreases abruptly. the current increases. the current remain unaltered. the current decreases. the current decreases abruptly. the current increases. the current remain unaltered. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 70 times per second. 120 times per second. 80 times per second. 60 times per second. 70 times per second. 120 times per second. 80 times per second. 60 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Cast copper. Soft copper. Annealed copper. Hard drawn copper. Cast copper. Soft copper. Annealed copper. Hard drawn copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is 4 A. 0 A. 1 A. 2 A. 4 A. 0 A. 1 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP