Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 25 times larger than before. 10 times greater than before. 5 times greater than before. 5 times smaller than before. 25 times larger than before. 10 times greater than before. 5 times greater than before. 5 times smaller than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the frequency in AC operation? No. of (-) ve quadrature made per second. No. of cycles made per second. No. of wave made per second. No. of (+) ve quadrature made per second. No. of (-) ve quadrature made per second. No. of cycles made per second. No. of wave made per second. No. of (+) ve quadrature made per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Lenzs law. Faradays law. Coulombs law. Kirchhoffs law. Lenzs law. Faradays law. Coulombs law. Kirchhoffs law. 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? None of them. 32 pF. 30 pF. 36.6 pF. None of them. 32 pF. 30 pF. 36.6 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner? 2 Ω. 6 Ω. 3 Ω. 9 Ω. 2 Ω. 6 Ω. 3 Ω. 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS