Capacitors and Capacitance » Exercise - 18. Three different capacitors are connected in series then : (a) They will have equal charges (b) They will have same potential (c) Both (a) and (b) (d) None of these
5555555555 21. A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is ________. (a) 3 V (b) 6 V (c) 4 V (d) 0 V
5555555555 22. When the plate area of a capacitor increases, ________. (a) the capacitance increases (b) the capacitance decreases (c) the capacitance is unaffected (d) the voltage it can withstand increases.
555555555522. What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? (a) 18.75 At (b) 30 At (c) 300 At (d) 187 At