Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. 100 Ohms. 400 Ohms. 200 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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 ω ε/σ. ω σ/ε. σ ω ε. σ/ω ε. ω ε/σ. ω σ/ε. σ ω ε. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q / d2. Q2 × d. Q × d. Q2 / d. Q / d2. Q2 × d. Q × d. Q2 / d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Zinc cadmium and lead coating is generally provided for all of above. electrical contacts. decoration. corrosion. all of above. electrical contacts. decoration. corrosion. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is the unit of magnetic flux density? Daraf. Tesla. Weber. Lumens. Daraf. Tesla. Weber. Lumens. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 0.57. 1.414. 0.318. 1.11. 0.57. 1.414. 0.318. 1.11. ANSWER DOWNLOAD EXAMIANS APP
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