Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C 1.349 μF. 0 F. 1.349 F. 1.349 nF. 1.349 μF. 0 F. 1.349 F. 1.349 nF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When we use super node technique ideal voltage source is connected between two non reference nodes. ideal voltage source is connected between non reference node and reference. current source branch is common for two meshes. All of these ideal voltage source is connected between two non reference nodes. ideal voltage source is connected between non reference node and reference. current source branch is common for two meshes. All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor? 5 × 10 - 2 Joule. 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 3 Joule. 5 × 10 - 2 Joule. 10 × 10 - 3 Joule. 10 × 10 6 Joule. 5 × 10 - 3 Joule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. none of these. remain constant. increase. decrease. none of these. remain constant. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is YRB. RBY. RYB. BRY. YRB. RBY. RYB. BRY. ANSWER DOWNLOAD EXAMIANS APP