Answer:
The terminal voltage of the battery decreases.
Explanation:
An idea battery does not have internal resistance but a real practical battery always have an internal resistance r connected in series with the battery.
This internal resistance causes a voltage drop when load R is connected, a current I flows in the circuit which causes a voltage drop I*r in the battery therefore, the terminal voltage of the battery will decrease.
<u>Answer</u> :
A new steel plate shines but an wooden vessel does not shine because new steel plate has lustre. ... Because steel absorbs very little amount of light and reflects back the light but in case of wooden vessel it has dull appearence and reflects very little amount of light so it does not shine.
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To solve this problem it is necessary to use the given proportions of power and energy, as well as the energy conversion factor in Jules to Calories.
The power is defined as the amount of energy lost per second and whose unit is Watt. Therefore the energy loss rate given in seconds was
The rate of energy loss per day would then be,
That is to say that Energy in Jules per lost day is 5356800J
By definition we know that 
In this way the energy in Cal is,
The number of kilocalories (food calories) must be 1279.694 KCal
<span>None of the choices makes a correct statement. The third choice is close,
but misleading.
The pencil appears broken because light bends away from a straight line
when it crosses the boundary between air and water.</span>
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