Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for all of above. decorative purpose. protective purpose. bearing surfaces. all of above. decorative purpose. protective purpose. bearing surfaces. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 0o. 45o. 90o. 30o. 0o. 45o. 90o. 30o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 6 Ω. 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. 6 Ω. 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which metal is deposited for electro forming? Iron. Nickel. Silver. Chromium. Iron. Nickel. Silver. Chromium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. ANSWER DOWNLOAD EXAMIANS APP
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