OA2006

Heat produced in a resistance according to which law?

Heat produced in a resistance according to which law? Options (a) Thomson's law of heating (b) Faraday's law (c) Joule's…

An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor

An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor of capacitance 2 μF. The impedence…

The angle between the vectors (i+j) and (j+k) is

The angle between the vectors (i+j) and (j+k) is Options (a) 90⁰ (b) 60⁰ (c) 30⁰ (d) 45⁰ Correct Answer:…

A charge of 100 μC has a potential at a distance of 9 m is

A charge of 100 μC has a potential at a distance of 9 m is Options (a) 10⁶ V (b)…

A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction.

A nuclear reaction is given as 4 ₁H¹→₂He⁴+₀e¹+energy Mention the type of reaction. Options (a) fusion (b) fission (c) just…

Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc

Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc and γ=5/3, then…

An atom bomb works on the principle of

An atom bomb works on the principle of Options (a) nuclear fission (b) nuclear fusion (c) α-decay (d) β-decay Correct…

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power…

If a given volume of water in a 220V heater is boiled in 5 min, then same volume

If a given volume of water in a 220V heater is boiled in 5 min, then same volume of water…

The value of Poisson’s ratio lies between

The value of Poisson's ratio lies between Options (a) 0 to 0.5 (b) 0.5 to 1 (c) (-1 to 1)…