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The electric potential V at any point (x,y,z) all in meters in space is given by V = 4x² volt. The electric field at the point (1,0,2) in V/m is
Options
(a) 8 along positive X-axis
(b) 16 along negative X-axis
(c) 16 along positive X-axis
(d) 8 along negative X-axis
Correct Answer:
8 along negative X-axis
Explanation:
E⃗ = – [dv/ dx i + dv/ dy j + dv/ dz k]
= -8 x i V/m
E⃗(1,0,2) = -8i V/m
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA
- Which wavelengths of sun is used finally as electric energy?
- An artificial satellite is revolving round the earth in a circular orbit. Its velocity
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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