MCQ
If the current is doubled, the deflection is also doubled in
- AA tangent galvanometer
- ✓A moving coil galvanometer
- CBoth (a) and (b)
- DNone of these
✓
Answer
Correct option: B.
A moving coil galvanometer
A moving coil galvanometer
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
The objective glass of a telescope is an achromat of focal length $90\,cm$ . The magnitude of dispersive power of the two lenses are $0.024$ and $0.036$ . The focal lengths are
→The diagram shows the path of four $\alpha - $ particles of the same energy being scattered by the nucleus of an atom simultaneously. Which of these are/is not physically possible
→When a $_4B{e^9}$ atom is bombarded with $\alpha - $ particles, one of the product of nuclear transmutation is $_6{C^{12}}$. The other is
→A galvanometer has $30$ divisions and a sensitivity $16\,\mu A/{\rm{div}}{\rm{.}}$ It can be converted into a voltmeter to read $3\, V$ by connecting
→Charge is:
A single slit Fraunhoffer diffraction pattern is formed with white light. For what wavelength of light the third secondary maximum in the diffraction pattern coincides with the second secondary maximum in the pattern for red light of wavelength $6500{\text{ }}\mathop {\text{A}}\limits^o $?........$\mathop A\limits^o $
→A photocell stops emission if it is maintained at 2V negative potential. The energy of most energetic photoelectron is
Two charged thin infinite plane sheets of uniform surface charge density $\sigma_{+}$ and $\sigma_{-}$ where $\left|\sigma_{+}\right|>\left|\sigma_{-}\right|$ intersect at right angle. Which of the following best represents the electric field lines for this system
→An inductor $(L = 100\ mH)$, a resistor $(R = 100 \Omega)$ and a battery $(E = 100\ V)$ are initially connected in series as shown in the figure. After a long time the battery is disconnected after short circuiting the points $A $ and $ B$. The current in the circuit $1\ ms$ after the short circuit is
→Two $220\; V , 100 \;W$ bulbs are connected first in series and then in parallel. Each time the combination is connected to a $220 \;V \;AC$ supply line. The power drawn by the combination in each case respectively will be
→