Answer:

Explanation:
Given that there are two force of 1 pound each at right angles to each other.
The from the vector law of addition:

where:
resultant force
be the two of the forces to be added.


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Answer: Aluminum has 61 percent of the conductivity of copper, but has only 30 percent of the weight of copper. That means that a bare wire of aluminum weights half as much as a bare wire of copper that has the same electrical resistance. Aluminum is generally more inexpensive when compared to copper conductors.
Answer:
6.62607004 x 10^(-34)m²kg/s
Explanation:
This is the constant that shows the value of energy of a photon in relation to it's frequency.
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Answer:
The given symbol is of DC power source
Option A is incorrect because in ammeter a letter A is written inside a circle.
Similarly, Option B is incorrect because in voltmeter V is written inside a circle
Option C and D are incorrect
Option E is correct it is a DC power source.
It is a Dc power source the left hand side is positive side and the right line is the negative side.