A charged particle revolves in circular path in uniform magnetic field after accelerating by a potential difference of V volts. Choose the correct options if V is doubled.
A particle of mass m is going along surface of smooth hemisphere of radius R in verticle plane. At the moment shown its speed is v. Choose correct option(s).
A series LCR arrangement with X_(L)=80 Omega, X_(c) =50Omega, R=40 Omega is applied across a.c. source of 200 V. Choose the correct options.
A rod leans against a stationary cylindrical body as shown in figure, and its right end sides to the right on the floor with a constant speed v . Choose the correct option (s)
