Electric field at a point of distance r from a uniformly charged wire of infinite
Electric field at a point of distance r from a uniformly charged wire of infinite length having linear charge density…
7 years ago
KL2014
The minimum number of NAND gates used to construct an OR gate is
The minimum number of NAND gates used to construct an OR gate is Options (a) 4 (b) 6 (c) 5…
7 years ago
Identify the wrong statement with reference to solar cell
Identify the wrong statement with reference to solar cell Options (a) it is a p-n junction diode with no external…
7 years ago
If the wavelength of incident light falling on a photosensitive material decreases,
If the wavelength of incident light falling on a photosensitive material decreases, then Options (a) photoelectric current increases (b) stopping…
7 years ago
A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then, the resistance of the circular wire…
7 years ago
The temperature coefficient of resistance of an alloy used for making resistor is
The temperature coefficient of resistance of an alloy used for making resistor is Options (a) small and positive (b) small…
7 years ago
The dimensions of mobility of charge carriers are
The dimensions of mobility of charge carriers are Options (a) [M⁻²T²A] (b) [M⁻¹T²A] (c) [M⁻²T³A] (d) [M⁻¹T³A] Correct Answer: [M⁻¹T²A]…
7 years ago
The control rods used in a nuclear reactor can be made up of
The control rods used in a nuclear reactor can be made up of Options (a) graphite (b) cadmium (c) uranium…
7 years ago
Transformer is used to
Transformer is used to Options (a) convert AC to DC voltage (b) convert DC to AC voltage (c) obtain desired…
7 years ago
A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession. The atomic number and mass number…
7 years ago