Question
Vibration magnetometer is used for comparing(a) Magnetic fields(b) Earth's field(c) Magnetic moments(d) All of the above
✓
Answer
(d) All of the above
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 vertical wire kept in $Z-X$ plane carries a current from $Q$ to $P ($see figure$).$ The magnetic field due to current will have the direction at the origin $O$ along
→If distance between two magnetic poles of strength (1 A-m) is 1 metre, then magnitude of force acting between them is:
Phase difference between ac current and emf is $\frac{\pi}{2}$.Which of the following cannot be a component of the circuit?
→The Sun receives its radiation energy from :
Force between two identical bar magnets whose centres are r metre apart is 4.8 N, when their axes are in the same line. If separation is increased to 2r, the force between them is reduced to(a) 2.4N(b) 1.2N(c) 0.6N(d) 0.3N
Penetrating power of X-rays does not depend on(a) Wavelength(b) Energy(c) Potential difference(d) Current in the filament
Cathode rays enter into a uniform magnetic field perpendicular to the direction of the field. In the magnetic field their path will be(a) Straight line(b) Circle(c) Parabolic(d) Ellipse
The plate characteristic curve of a diode in space charge limited region is as shown in the figure. The slope of curve at point $P$ is $5.0\ mA/V.$ The static plate resistance of diode will be
→Two waves having intensity in the ratio 25 : 4 produce interference. The ratio of the maximum to the minimum intensity is(a) 5 : 2(b) 7 : 3(c) 49 : 9(d) 9 : 49
Light of wavelength $\lambda$ falls on a metal having work function $\frac{\text{h}_\text{c}}{\lambda_0}.$ Photoelectric effect will take place only if:
→