NEET Physics Combination of Resistances MCQs

Question: In the series combination of two or more than two resistances
a) the current through each resistance is same
b) the voltage through each resistance is same
c) neither current nor voltage through each resistance is same
d) both current and voltage through each resistance are same
Answer: the current through each resistance is same

Question:

a)

b)

c)

d)

Answer:

Question: In the network shown below, the ring has zero resistance. The equivalent resistance between the point A and B is

a) 2R
b) 4R
c) 7R
d) 10R
Answer: 2R

Question:

a) 2 A
b) 6 A
c) 3 A
d) 3 A
Answer: 2 A

Question: A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points, A and B as shown in the figure, is

a)

b)

c)

d)

Answer:

Question:

a)

b)

c)

d)

Answer:

Question: Consider the following statements and select the correct option.
I. When resistances are connected in parallel the equivalent resistance is less than the smallest resistance.
II. When resistances are connected in parallel, current distributes in the inverse ratio of resistances.
III. When resistances are connected in series maximum current flows through the resistance having least value.
a) I and II
b) I only
c) I, II and III
d) II only
Answer: I and II

Question:  In the network shown, each resistance is equal to R. The equivalent resistance between adjacent corners A and D is

a)

b)

c)

d)

R

Answer:

Question:

a) increases
b) decreases
c) remains same
d) increases if upper part of wire between A and B is a major arc and decreases if it is minor arc
Answer: increases