83. In the potentiometer circuit below, the moveable contact is placed at N on the bare wire XY, such that the galvanometer shows zero deflection. The resistance of the variable resistor is now increased. What is the effect of this increase? A. The p.d. across XY is increased and the balanced length XN is increased B. The p.d. across XY is increased and the balanced length XN is decreased C. The p.d. across XY is decreased and the balanced length XN is increased

83. In the potentiometer circuit below, the moveable contact is placed at N on the bare wire XY, such that the galvanometer shows zero deflection. The resistance of the variable resistor is now increased. What is the effect of this increase? A. The p.d. across XY is increased and the balanced length XN is increased B. The p.d. across XY is increased and the balanced length XN is decreased C. The p.d. across XY is decreased and the balanced length XN is increased

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter13: Temperature, Kinetic Theory, And The Gas Laws

Section: Chapter Questions

Problem 16PE: (a) Suppose a meter Stick made of steel and one made of invar (an alloy of iron and nickel) are the...

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