To determine the polarity of the voltage drop across a resistor, it is necessary to know___________?

Related Mcqs:

1. A linear resistor having 0 < R < °o is a______________?

   A. current controlled resistor B. voltage controlled resistor C. both current controlled and voltage controlled resistor D. none of the above...

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

   A. 10 Q B. 20 Q C. 30 Q D. 40 Q...

3. An ideal voltage source has__________?

   A. zero internal resistance B. open circuit voltage equal to the voltage on full load C. terminal voltage in proportion to current D. terminal voltage in proportion to load...

4. An ideal voltage source should have______________?

   A. large value of e.m.f. B. small value of e.m.f. C. zero source resistance D. infinite source resistance...

5. Between the branch voltages of a loop the Kirchhoff s voltage law imposes_____________?

   A. non-linear constraints B. linear constraints C. no constraints D. none of the above...

6. According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always____________?

   A. negative B. positive C. determined by battery e.m.fs. D. zero...

7. 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...

8. Kirchhoff s voltage law applies to circuits with____________?

   A. nonlinear elements only B. linear elements only C. linear, non-linear, active and passive elements D. linear, non-linear, active, passive, time varying as wells as time-in-variant elements...

9. Kirchhoffs voltage law is related to_____________?

   A. junction currents B. battery e.m.fs. C. IR drops D. both B. and C. E. none of the above...

10. Which of the following is non-linear circuit parameter?

    A. Inductance B. Condenser C. Wire wound resistor D. Transistor...