Electric Circuits Power factor can be defined as sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 19. 20. 38. 39. 19. 20. 38. 39. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} None of these i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch? Single way switch doesn operate at such current ratings. No. Single way switch doesn exist. Yes. Single way switch doesn operate at such current ratings. No. Single way switch doesn exist. Yes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In question no.3, which of the following is true ? iL(0) = ic (0). i(0+)= iL(0+). None of these. ic (0+) = i(0+). iL(0) = ic (0). i(0+)= iL(0+). None of these. ic (0+) = i(0+). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Flux in a magnetic circuit can be compared in an electric circuit to resistance. inductance. current. voltage. resistance. inductance. current. voltage. ANSWER DOWNLOAD EXAMIANS APP
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