(c) 120

1. Particle that contains 8 protons, 9 neutrons and 7 electrons could be written as

(d) 20

(3) 10 (6) 0

2. What is the combined resistance of a 6-ohms resistor which is connected in series with a parallel Arrangement of two resistors each resistance of 2-ohms (a) 7-ohms (b)6- ohms (c)10-ohm (d) 3ohms

3. Three point charges Q+10x10-12C, Q₂= -6 x 10-12C, and Q3+10x10-12C, are situated at the corners of an equilateral triangle of side 10 m in vacuum. The electric potential at the centre of the triangle is

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Answered by GPT 3.5
(a) 0
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