Answer:
So option (b) will be correct option
Explanation:
We have given that there is a step up transformer in which number of turns in primary coil is 15
That is,
Primary voltage , and secondary voltage
We have to find the number of turns in the secondary \
We know that for the transformer
So option (b) will be correct option
Answer:
A very small tilt in Earth’s axis would likely cause _____.
no climate changes
large seasonal variations in temperature
short-term climate changes
small seasonal variations in temperature
Explanation:
Answer small seasonal variations in temperature
The tilt of Earth’s axis changes by about 3 degrees. This affects the severity of the seasons. When Earth’s axis is less tilted, the temperature difference between summer and winter is less.
Answer: are breathing much faster
Explanation:
Exercise is a physical activity which increases the rate of respiratory and cardiovascular activity of the body. The cardiovascular exercise is likely to increase the rate at which the heart pumps blood as the body faces the scarcity of oxygen in the muscles which conducts the exercise. This increases rate of breathing so as to acquire more amount of oxygen. The oxygenated blood is pumped by the heart to all the parts of the body.