1. The current through a circuit is 0.0030 A. What is the resistance of this circuit if
the voltage difference across the circuit is 12 V?

4000R

Explanation:

V=IR

12=0.003×R

R=12/0.003

=4000R

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half of a circle

explanation:

the arrow and the top of the circle is matching together. it is not a polygon because a polygon would always be the same shape. therefore, an half of a circle is called semicircle so you would find the radius of it.

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;