Question

Hydrogen is used in

a.

large size transformers

b.

MCB

c.

large size generators

d.

circuit breakers

Answer: (c).large size generators

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Hydrogen is used in

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Assertion (A): Ferroelectric materials have spontaneous polarization.
Reason (R): Above curie temperature, ∈ = C/(T-ϴ) for ferro-electric materials.

Q. If e is the charge of an electron, R is the radius of its orbit and ω is the angular velocity of electron, the magnetic dipole moment μm of the orbit is |μm| = eωR².

Q. If a piece of wood is placed in a magnetic field

Q. The number of valence electrons in donor impurity are

Q. In a true valence crystal, the bonding between the atoms is accomplished by the sharing of valence electrons.

Q. Which of the following are donor impurities?

1. Gold
2. Phosphorus
3. Boron
4. Antimony
5. Arsenic
6. Induim

Select the correct answer using the following codes

Q. If n denotes principal quantum number, the angular quantum number l = 0, 1... (n - 1).

Q. Assertion (A): In a perfect capacitor, the current density is given by ω ∈₀E0∈'rcos(ωt + 90°), where ∈ᵣ' is real part of dielectric constant.
Reason (R): In a perfect capacitor, dielectric losses are zero.

Q. Assertion (A): For a solenoid having N turns, B = µ₀µᵣNI/L .
Reason (R): For all magnetic materials, B increases linearly with I.

Q. Assertion (A): If E is available energy state eV and EF is Fermi level, then probability of energy state E being occupied = 0.5.Reason (R): .

Q. A parallel plate capacitor has its length, width and separation doubled. It fringing effects are neglected, to keep the capacitance same, the dielectric constant must be

Q. Assertion (A): In imperfect capacitors, the current does not lead the applied ac voltage by 90°.
Reason (R): When subjected to ac fields, the dielectric constant can be expressed as ∈'r - j∈"r.

Q. In atomic physics, a state with l = 0 is called p state.

Q. If a sample of germanium and a sample of silicon have the same impurity density and are kept at room temperature

Q. When an electric field E is applied to solid and liquid insulating materials, the internal field Ei acting at the location of atom is such that

Q. Which element exhibits the property of inertia?

Q. For a permanent magnetic material

Q. In a coaxial cable, braided copper is used for

Q. The hysteresis phenomenon in ferromagnetic materials exists at all temperatures.

Q. Assertion (A): Magnetic susceptibility of diamagnetic materials is much less than that of paramagnetic materials.
Reason (R): For diamagnetic as well as paramagnetic materials, μᵣ is nearly equal to 1.

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!