Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 2R. R. 4R. 0.5R. 2R. R. 4R. 0.5R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 6 μF. 3 μF. 9.67 μF. 2.21 μF. 6 μF. 3 μF. 9.67 μF. 2.21 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the heaviest? Proton. Atom. Electron. Molecule. Proton. Atom. Electron. Molecule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 675. 240. 3600. 7.5. 675. 240. 3600. 7.5. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? None of these P/3 P 3P None of these P/3 P 3P ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the following oscillations are not present? Critical damping Under damping Over damping Both 2 and 3 Critical damping Under damping Over damping Both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP