MCQ_SINGLE

An ideal Zener diode with breakdown voltage of -3 V is reverse biased with a negative input voltage $V_{i}=-5$ V. The magnitude of voltage difference between point B and A is: [Image Placeholder]

MCQ_SINGLE

Consider the following reaction sequences and choose the correct option.

MCQ_SINGLE

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The logistic growth model of populations is considered more realistic than the exponential growth model. Reason R: Resources are finite. In the light of the above statements, choose the most appropriate answer from the options given below:

MCQ_SINGLE

A conducting loop of finite resistance lies on the $x-y$ plane. There is a constant magnetic field in the z direction. The area of the loop varies with time t, as $A=A_{0}(1+\sin t)$ in appropriate units. The figure that correctly indicates the qualitative behaviour of the power P dissipated in the loop as a function of time is: [Image Placeholder]

MCQ_SINGLE

Phyllotaxy is the pattern of arrangement of

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