Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2R. R / n2. n2 / R. nR . n2R. R / n2. n2 / R. nR . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 4 V. 1 V. 3 V. 2 V. 4 V. 1 V. 3 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid water start boiling. acid particles get separated. lot of heat is generated. colour of acid changes. water start boiling. acid particles get separated. lot of heat is generated. colour of acid changes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 100 V. 63.6 V. 88 V. 70.7 V. 100 V. 63.6 V. 88 V. 70.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of i ? - 5 A. 6 A. 5 A. 12 A. - 5 A. 6 A. 5 A. 12 A. ANSWER DOWNLOAD EXAMIANS APP
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