Electric Circuits Which of the following has positive temperature coefficient ? Gold. Paper. Germanium. Rubber. Gold. Paper. Germanium. Rubber. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Lead acid. Mercury oxide. Carbon Zinc. Silver oxide. Lead acid. Mercury oxide. Carbon Zinc. Silver oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? Z and I. VL and VR. VL and Z. VL and I. Z and I. VL and VR. VL and Z. VL and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is 100 N. 1000 N. 10 N. 10000 N. 100 N. 1000 N. 10 N. 10000 N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to resistivity of medium. rate of change of potential difference. potential difference between electrodes. rate of change of current. resistivity of medium. rate of change of potential difference. potential difference between electrodes. rate of change of current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 32 pF. 36.6 pF. 30 pF. None of them. 32 pF. 36.6 pF. 30 pF. None of them. ANSWER DOWNLOAD EXAMIANS APP
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