Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 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 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure given, the value of R is 12 Ω. 10 Ω. 18 Ω. 24 Ω. 12 Ω. 10 Ω. 18 Ω. 24 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Common impurity in battery electrolyte is iron. sodium chloride. lead sulfate. dust. iron. sodium chloride. lead sulfate. dust. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s current law is used for representing a current source. loop analysis. finding equivalent resistance. nodal analysis. representing a current source. loop analysis. finding equivalent resistance. nodal analysis. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of resistivity is Ω. Ω - metre. Ω / m². Ω / metre. Ω. Ω - metre. Ω / m². Ω / metre. ANSWER DOWNLOAD EXAMIANS APP
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