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What is plane wave physics?

A plane wave is a wave whose wavefronts are infinite parallel planes and it is parallel to the direction of propagation of the wave. These waves... View Article

Is Fe diamagnetic

Fe is not diamagnetic it is paramagnetic. It has four unpaired electrons in the 3d shell.... View Article

How do you get a magnet to stick to aluminium

Aluminium is paramagnetic, meaning it is weakly magnetic in a high magnetic field. The magnetism is so weak that it is impossible to stick a... View Article

What is Charles gas law?

Charles law states that at constant pressure, the volume of the fixed amount of gas is directly proportional to its absolute temperature.... View Article

Is titanium magnetic or nonmagnetic?

Titanium is weakly magnetic when it is kept in an external magnetic field. The titanium also exhibits the Lenz effect.... View Article

What magnet is stronger than neodymium

Iron Nitride produced by combining iron and nitrogen is considered a stronger magnet than neodymium. Neodymium is a rare earth magnet. The cost... View Article

Is Zn paramagnetic or diamagnetic

Zinc is diamagnetic. Diamagnetic means it has no unpaired electrons.... View Article

Can magnets attract Aluminium?

Under normal conditions, magnets will not attract aluminium.... View Article

What is the difference between diffusion current and drift current?

Drift current is the current flow in the diode due to the applied electric field. Diffusion current is the current due to the diffusion of the... View Article

When a Zener diode is operated in forward biased then

When the Zener diode is connected in forward bias it behaves like a normal diode. The current passing through the diode is linear with respect to... View Article

Is solar cell forward biased?

Solar cells act like a PN junction diode. Under the sun, the photocurrent in the solar cell flows in the diode reverse bias direction. When it is... View Article

How do you know when a diode is bad?

The diode must be connected in forward bias and reverse bias to a multimeter and the corresponding reading must be noted. A good diode in forward... View Article

Is a diode active or passive?

Diodes are passive devices. Passive devices can only receive energy which can absorb, dissipate or store it in the magnetic field or electric field.... View Article

What are the 3 basic components of communication?

The communication system consists of three basic components: transmitter, channel and receiver. The transmitter does the modulation of the... View Article

Is Lead heavier than steel?

Yes, lead is heavier than steel. The density of steel is 8gm/cc and the density of lead is 11.3 gm/cc.... View Article

tan^-1 1 / ?x² – 1 =

1) (π / 2) + cosec-1 x 2) (π / 2) + sec-1 x 3) cosec-1 x 4) sec-1 x Solution: (3) cosec-1 x tan-1 1 / √x2 - 1 = tan-1 1 / [cosec2... View Article

tan^-1 [cos x] / [1 + sin x] =

1) (π / 4) - (x / 2) 2) (π / 4) + (x / 2) 3) x / 2 4) (π / 4) - x Solution: (1) (π / 4) - (x / 2) tan-1 [cos x] / [1 + sin x] =... View Article

sec^-1 (sec (- 30^o)] =

1) - 60o 2) - 30o 3) 30o 4) 150o Solution: (3) 30o sec-1 (sec (- 30o)] = sec-1 (sec 30o) = 30o... View Article

tan [sec^-1 ?1 + x²] =

1) 1 / x 2) x 3) 1 / √1 + x2 4) x / √1 + x2 Solution: (2) x tan [sec-1 √1 + x2] = tan [sec-1 √1 + tan2 θ] Put x = tan θ = tan (sec-1 sec... View Article

cos (tan^-1 x) =

1) √1 + x2 2) 1 / √1 + x2 3) 1 + x2 4) None of these Solution: (2) 1 / √1 + x2 Let θ = tan-1 x x = tan θ cos θ = 1 / [√1 + tan2... View Article

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