Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor? 2A 5A 3A 4A 2A 5A 3A 4A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? 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. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source? 16P. 4P. P. 2P. 16P. 4P. P. 2P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A paper capacitor is usually available in form of tubes. rolled foil. meshed plates. disc. tubes. rolled foil. meshed plates. disc. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown in figure, the value of current through 8Ω resistor is 1.5 A. 2.4 A. 1.2 A. 4.8 A. 1.5 A. 2.4 A. 1.2 A. 4.8 A. ANSWER DOWNLOAD EXAMIANS APP
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