If resistance across LM in Fig. 2.30 is 15 ohms, the value of R is____________?

Related Mcqs:

Kirchhoff s current law states that

A. net current flow at the junction is positive B. Hebraic sum of the currents meeting at the junction is zero C. no current can leave the junction without some current entering it. D. total sum of currents meeting at the junction is zero...

For high efficiency of transfer of power, internal resistance of the source should be____________?

A. equal to the load resistance B. less than the load resistance C. more than the load resistance D. none of the above...

For a voltage source:

A. terminal voltage is always lower than source e.m.f. B. terminal voltage cannot be higher than source e.m.f. C. the source e.m.f. and terminal voltage are equal D. None...

While calculating Rth in Thevenin’s theorem and Norton equivalent

A. all independent sources are made dead B. only current sources are made dead C. only voltage sources are made dead D. all voltage and current sources are made dead...

Millman’s theorem yields____________?

A. equivalent resistance B. equivalent impedance C. equivalent voltage source D. equivalent voltage or current source...