Answer:
Fluorine is the most reactive element
Answer:
Explanation:
Volume of the rectangular block= V = l×b×h
=5cm×5cm×8cm= 200cm³
Density of block= d= 7.5 g/cm³
Mass of the block= m= d× V
= 1500 grams=1.5 kg
Answer:
A. A resistor alters current and a switch turns current on and off
Explanation:
Resistor is the passive component that reduces the flow of current. Switch is the electrical device that turns on or off the current by closing and opening the electrical circuit.
Thus option A. A resistor alters current and a switch turns current on and off is correct.
Answer:
Polymers are widely used advanced materials, which are found almost in every material used in our daily life. ... The rapid increase in demand for the manufactured products introduce the new materials. These new materials are polymers, and their impact on the present way of life is almost incalculable.Explanation:
It will move in the direction of applied force following the law of newton that is an object is stationary until an external force is applied then it moves in direction of force
