Question
Susceptibility is positive and large for a:
✓
Answer
- Ferromagnetic substance.
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 wire is broken in four equal parts. A packet is formed by keeping the four wires together. The resistance of the packet in comparison to the resistance of the wire will be
Find the power of the circuit
An AC source is rated 220V, 50Hz. The average voltage is calculated in a time interval of 0.01s, It:
→- Must be zero.
- May be zero.
- Is never zero.
- Is $\Big(\frac{200}{\sqrt{2}}\Big)\text{V}.$
Characteristic X-ray radiations are produced when :
The phenomenon of beats can take place:
In photo$-$electric effect, when photons of energy $'hv'$ are incident on a metal surface, electrons are emitted with some kinetic energy. It is possible to say that:
→In an experiment, the saturation in the plate current in a diode is observed at 240V. But a student still wants to increase the plate current. It can be done, if(a) The plate voltage is increased further(b) The plate voltage is decreased(c) The filament current is decreased(d) The filament current is increased
If resistance of voltmeter is $10000\Omega$ and resistance of ammeter is $2\Omega$ then find $R$ when voltmeter reads $12V$ and ammeter reads $0.1\ A$
→A photon of wavelength $4400 \mathring A$ is passing through vacuum. The effective mass and momentum of the photon are respectively
→If work function of metal is 3eV then threshold wavelength will be(a) 4125 Å(b) 4000 Å(c) 4500 Å(d) 5000 Å