In SI unit, JC-1
is equal to
a.Volt b.Newton's law c.pascal d.omega
2. what happen when ammeter connected in parallel
a.open circuit b.Closed circuit c.Short circuit d. none of the above
3. How is the potential difference maintained across the ends of the conductor
1.by connecting rheostat 2.by connecting battery 3.by connecting resistance
4.by connecting switch
4. Carbon exists in the atmosphere in the form of
(a) Only carbon monoxide
(b) Carbon monoxide in traces and carbon dioxide
(c) Only carbon dioxide
(d) Coal
5. Which of the following statements are usually correct for carbon compounds? These
(i) Are good conductors of electricity?
(ii) Are poor conductors of electricity?
(iii) Have strong forces of attraction between their molecules.
(iv) Do not have strong forces of attraction between their molecules.
6. A molecule of ammonia (NH3) has
(a) Only single bonds
(b) Only double bonds
(c) Only triple bonds
(d) Two double bonds and one single bond
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