- AKirchhoff’s Law
- BNewton’s Law
- CCoulomb’s Law
- DStephan’s Law
Explanation:
Kirchhoff’s Law is used to analyze circuits. This law is important because they represent connections of a circuit. Kirchhoff’s Law provide the constraints that let us find the current flowing and voltage across every circuit element.
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In the adjacent diagram, CP represents a wavefront and AO & BP, the corresponding two rays. Find the condition on q for constructive interference at P between the ray BP and reflected ray OP
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(a) cosq = 3l/2d |
(b) cosq = l/4d |
(c) secq – cosq = l/d |
(d) secq – cosq = 4l/d |
On increasing the reverse bias to a large value in a PN-junction diode, current
| (a) Increases slowly | (b) Remains fixed |
(c) Suddenly increases |
(d) Decreases slowly |
A curve between magnetic moment and temperature of magnet is
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(a)
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(b)
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(c)
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(d)
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