KCET2014

What is the nature of Gaussian surface involved in Gauss’s law of electrostatics?

What is the nature of Gaussian surface involved in Gauss's law of electrostatics? Options (a) scalar (b) electrical (c) Magnetic…

what is the electric potential at a distance of 9cm from 3nC?

what is the electric potential at a distance of 9cm from 3nC? Options (a) 270V (b) 3V (c) 300V (d)…

Two equal and opposite charges of masses m₁ and m₂ are accelerated

Two equal and opposite charges of masses m₁ and m₂ are accelerated in a uniform electric field through the same…

If a charge on the body is 1nC, then how many electrons are present on the body?

If a charge on the body is 1nC, then how many electrons are present on the body? Options (a) 1.6x10¹⁹…

If α (current gain) of transistor is 0.98, then what is the value of β

If α (current gain) of transistor is 0.98, then what is the value of β (current gain) of the transistor?…

In n-type semiconductor, electrons are majority charge carriers

In n-type semiconductor, electrons are majority charge carriers but it does not show any negative charge. The reason is Options…

The maximum kinetic energy of the photoelectrons depends only on

The maximum kinetic energy of the photoelectrons depends only on Options (a) Charge (b) frequency (c) incident angle (d) pressure…

what is the de-Broglie wavelength of the electron accelerated through a potential

what is the de-Broglie wavelength of the electron accelerated through a potential difference of 100V? Options (a) 12.27Å (b) 1.227Å…

In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm

In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm. If the cell is replaced by…

Two resistors of resistances 2Ω and 6Ω are connected in parallel.

Two resistors of resistances 2Ω and 6Ω are connected in parallel. This combination is then connected to a battery of…