A. large value of e.m.f.
B. small value of e.m.f.
C. zero source resistance
D. infinite source resistance
A. 10 Q
B. 20 Q
C. 30 Q
D. 40 Q
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
A. A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.
B. A branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit.
C. A branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit.
D. A branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R.
A. a voltage source
B. a current source
C. both of above
D. none of the above
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
A. 100%
B. 80%
C. 75%
D. 50%