A wheel having moment of inertia 2 kg-m2 about its vertical axis, rotates at the rate of 60 rpm about... View Article
Let total energy be conserved. Total mechanical energy at start = total mechanical energy at B mgh =\(\begin{array}{l}frac{1}{2}mv_{B}^{2}\end{array} \) +mgD... View Article
The expansion of 100 is 100+00+0
Lemon juice is a good conductor of electricity because it contains citric acid. Acids give H<sup>+</sup> ions when dissolved in... View Article
Silk fibre obtained from silk moth is carbohydrate fat protein sugar The correct option is iii.protein
The biological value of proteins is a scientific method for calculating the quantity of proteins by considering the concentrations of... View Article
July 14th, 2021, PIB:- Download PDF Here TABLE OF CONTENTS 1. MoU between India and Denmark 2. MoU between India... View Article
(a) electrons (b) holes (c) ions (d) forbidden band Solution: (c) ions The depletion layer is the region at the... View Article
(a) 0.01Ω (b) 0.1Ω (c) 10Ω (d) 100Ω Solution: (c) 10Ω Forward bias resistance = ∆V/∆I = 10Ω
(a) 25 Hz (b) 50 Hz (c) 70.7 Hz (d) 100 Hz Solution: (d) 100 Hz In a full wave... View Article
(a) zero (b) infinite quantity (c) data insufficient (d) some finite quantity Solution: (b) infinite quantity. Plate resistance (rp) =... View Article
There are many ways in which a Zener diode is packaged. Some are used for high levels of power dissipation... View Article
Solution: A Zener diode is a heavily doped semiconductor device that is designed to operate in the reverse direction.
(a) amplification (b) rectification (c) stabilisation (d) all of the above Solution: (c) stabilisation Zener diode is used for stabilisation... View Article
Solution: Zener diodes are widely used as voltage references and as shunt regulators to regulate the voltage across small circuits.... View Article
(a) condenser (b) regulator (c) amplifier (d) rectifier Solution: (d) rectifier As a p-n junction diode conducts in forward bias... View Article
(a) electrons only (b) holes only (c) both electrons and holes (d) neither electrons nor holes Solution: (c) both electrons... View Article
(a) forward biased (b) reverse biased (c) either forward biased or reverse biased (d) neither forward biased nor reverse biased... View Article
(a) n-type (b) p-type (c) intrinsic (d) extrinsic Solution: (c) intrinsic For intrinsic semiconductors, at room temperature no free electrons... View Article
(a) thermocouple (b) diode (c) triode (d) transistor Solution: (b) diode A diode is used to rectify an alternating current.
