paf physics mcqs

paf physics mcqs not available but here are some more mcqs of physics

Q.12 The difference between the plates of a parallel plate capacitor is 2.0 mm and area of each plate is 2.0 m2. The plates are in a vacuum. A potential difference of 1.0 x 104 V is applied across the plates. Find the capacitance.
A) 4 x 10-3 F C) 8.85 x 10-9 F
B) 3.54 x 10-9 F D) 9.0 x 10-9 F

Q.13 Which combinations of seven identical resistors each of 2 Ω gives rise to the resultant of 10/11 Ω?
A) 5 Parallel, 2 Series C) 3 Parallel, 4 Series
B) 4 Parallel, 3 Series D) 2 Parallel, 5 Series
Q.14 If a resistor having resistance ‘R’ is cut into three equal parts, then the equivalent of parallel combination is:

A) 6/ R C) R /9

B) 3/ R                                                  D) R/ 3
Q.15 The resistance of a piece of wire is 12 Ω. It is bent to form an equilateral triangle. What is the equivalent resistance between any two corners of the triangles?
A) 1.3 Ω                                                C) 4.0 Ω
B) 2.0 Ω                                                D) 2.7 Ω

Q.16 If the length, width and separation between the plates of a parallel plate capacitor is doubled then its capacitance becomes:
A) Double                                 C) Four-times
B) Half                                      D) Eight-times
Q.17 Resistance between two opposite faces of square thin film of area 1 mm2 having thickness of 1 μm if resistivity of material is 106 Ω will be:
A) 1000 Ω                                 C) 1 Ω
B) 100 Ω                                   D) 10 Ω