Question
What is rivetted galvanometer? What is the function of shunt in a galvanometer?
✓
Answer
SELF
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A ball of mass m is dropped onto a floor from a certain height. The collision is perfectly elastic and the ball rebounds to the same height and again falls. Find the average force exerted by the ball on the floor during a long time interval.
$(a)$ What is meant by compound microscope? Draw a ray diagram of image formation by a compound microscope. Briefly describe its working and derive the formula for its total magnification.
$(b)$ How does the resolving power of a microscope change when :
$(i)$ The diameter of the objective lens decreases,
$(ii)$ The wavelength of incident light increases?Justify your answer in each case.
→$(b)$ How does the resolving power of a microscope change when :
$(i)$ The diameter of the objective lens decreases,
$(ii)$ The wavelength of incident light increases?Justify your answer in each case.
The resistance of the rheostat shown in the figure. is $30\Omega.$ Neglecting the meter resistance, find the minimum and maximum currents through the ammeter as the rheostat is varied.
→What is the
- Momentum,
- Speed, and
- De Broglie wavelength of an electron with kinetic energy of 120 eV.
A particle of mass 1g and charge $2.5 \times 10^{-4}C$ is released from rest in an electric field of $1.2 \times 10^4NC^{-1}.$
→- Find the electric force and the force of gravity acting on this particle. Can one of these forces be neglected in comparison with the other for approximate analysis?
- How long will it take for the particle to travel a distance of 40cm?
- What will be the speed of the particle after travelling this distance?
- How much is the work done by the electric force on the particle during this period?
Find the currents through the three reaiators shown in figure.
Each of the capacitors shown in figure has a capacitance of $2\mu\text{F}.$ Find the equivalent capacitance of the assembly between the points A and B. Suppose, a battery of emf 60 volts is connected between A and B. Find the potential difference appearing on the individual capacitors.
→Find the total heat produced in the loop of the previous problem during the interval 0 to 30s if the resistance of the loop is $4.5\text{m}\Omega.$
→How would you set up a circuit to obtain NOT gate using a transistor?
Calculate and compare the energy released by a) fusion of 1.0 kg of hydrogen deep within Sun and b) the fission of 1.0 kg of $^{235}\text{U}$ in a fission reactor.
→