One of the most important reasons is that when mountains were built there were events such as tilting. Because of that most of the sedimentary rocks were no longer horizontal.We know that because of the law of original horizontality
The resistance of wire B will be D. 1/2R
<h3>What is resistance?</h3>
It should be noted that resistance simply means the measure of the opposition to the current flow that's in an electric circuit.
Based on the information given, the resistance will be calculated thus:
= 2L/4A
= 1/2pL/A
= R/2
Therefore, the resistance of wire B will be D. 1/2R
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Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. (ii) What is the ratio of the radius of A to that of B
(a) 4 R (b) 2 R (c) R (d) 1/2R (e) 1/4R
Answer:
Significant digits
Explanation:
The number of significant digits that you use to record a measurement indicates the precision of the measurement.
