C. Is the correct answer for this question
Explanation:
(2.40 × 10⁷) × (3.10 × 10⁻⁵)
(2.40 × 3.10) × (10⁷ × 10⁻⁵)
7.44 × 10²
Explanation:
According to the fundamental law of electrostatics, like charges which are ( only positive or only negative charges) repel while unlike charges which are ( positive and negative charges ) attract each other.
that is: ( +++++ ++++++) they repel
while ( +++++++ ———) they attract
<em>The sensitivity of a mercury thermometer can be increased by using a smaller mercury bulb, thinner wall and smaller bore. A smaller bulb contains less mercury and hence absorbs heat in shorter time. As a result it can response faster to temperature change.</em>
