A. the induced charge is constant for a fixed change of force B. a force is exerted on a current-carrying…
A. 5.0Ω B. 4.5Ω C. 2.4Ω D. 2.0Ω E. 1.8Ω Correct Answer: Option A - 5.0Ω Explanation I = V/R=0.9/3…
A. amount of current passed B. direction of current C. magnetic material used D. size of the magnetic material E.…
A. 36.0N B. 12.0N C. 6.0N D. 2.0N E. 1.0N Correct Answer: Option A - 36.0N Explanation 1/6FE=FMOON FE =…
A. infra-red rays B. gamma rays C. sound waves D. water waves E. micro waves Correct Answer: Option D -…
A sonometer wire under a tension of N10N, produces a frequency of 250Hz when plucked. Keeping the length of the…
i. brightness of the object. ii. diameter of the aperture stop. iii. speed of the shutter. A. i, ii…
An astronomical telescope having an objective of focal length 100cm and an eyepiece of focal length 10cm is used in…
A. 8 B. 7 C. 6 D. 5 E. 4 Correct Answer: Option C - 6 Explanation 1/f=1/u+1/v = 1/5−13/5=30/175…
A. diminished, virtual and inverted B. diminished, virtual and erect C. diminished inverted and real D. magnified, virtual and erect…