A. junction currents
B. battery e.m.fs.
C. IR drops
D. both B. and C.
E. none of the above
Related Mcqs:
- 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 - Kirchhoffs current law is applicable to only
A. junction in a network
B. closed loops in a network
C. electric circuits
D. electronic circuits - 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 - 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 - The number of independent equations to solve a network is equal to_____________?
A. the number of chords
B. the number of branches
C. sum of the number of branches and chords
D. sum of number of branches, chords and nodes - 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 - 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 - 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 - To determine the polarity of the voltage drop across a resistor, it is necessary to know___________?
A. value of current through the resistor
B. direction of current through the resistor
C. value of resistor
D. e.m.fs. in the circuit - 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
