Science
A child staying in a coastal region tests the drinking water and also seawater with his tester. He finds that the compass needle deflects more in the case of seawater. Can you explain the reason?
Electric Current Chemical Effects
10 Likes
Answer
The amount of salts dissolved in seawater is more than that in drinking water. So, seawater will be a better conductor than drinking water. Hence, sea water shows increased deflection of the needle as compared to the drinking water.
Answered By
4 Likes
Related Questions
Does pure water conduct electricity? If not, what can we do to make it conduct?
In case of a fire, before the firemen use the water hoses, they shut off the main electrical supply for the area. Explain why they do this.
Is it safe for the electrician to carry out electrical repairs outdoors during heavy downpours? Explain.
Paheli had heard that rainwater is as good as distilled water. So she collected some rainwater in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons?