Answer: Option (B) is the correct answer.
Explanation:
Convection is defined as a process in which a fluid (liquid or gas) is heated and the cooler liquid (more dense) settles or sinks at the bottom whereas a hotter material (less dense) will rises to the top.
For example, ice being less dense (cooler material) will float in a lake whereas liquid water being more dense will sink at the bottom.
Thus, we can conclude that situation in which convection currents most likely occur is within the water in a lake as ice forms on the top.
<span>When a magnet moves near a wire, it's changing field causes the electrons in the wire to flow as electric current.</span>
Answer:
a) 
b) 
c) 
Explanation:
Given:
- voltage of the battery,
- energy storage capacity of the battery,
- speed of the car,
a)
power drawn by the car, 
<u>Now the Current delivered to the motor:</u>
we the relation between the power and electrical current,
b)
<u>Distance travelled before battery is out of juice:</u>
we first find the time before the battery runs out,
Now the distance:
c)
When the head light of 55 W power is kept on while moving then the power consumption of the car is:
<u>Now the time of operation of the car:</u>
<u>Now the distance travelled:</u>
Answer:
Potato is true!!! :)
Explanation:
Because I said so LOL! Also u didnt say the choices so... HHEHEHE gimme brainliest
