feedback

(Solution document) During a lightning storm, it is safest to stand in the middle of a field, rather than taking shelter under a tree. Many deaths caused by lightning



During a lightning storm, it is safest to stand in the middle of a field, rather than taking

shelter under a tree. Many deaths caused by lightning relate to this. Why is this the

case?


5.

How can an electric current cause a magnetic field? Describe how some common

device that uses this principle to accomplish something useful.


6.

Using general terms, explain how a DC motor works.


7.

How does a transformer work? What does it do to an electrical current?

 







About this question:

Pay using PayPal (No PayPal account Required) or your credit card. All your purchases are securely protected by .
SiteLock