A. The restoring force is tripled
Explanation:
The total resistance Rt is given by
1/Rt = 1/Ra + 1/Rb + 1/Rc = 1/5 + 1/4 + 1/7 = 0.593
or Rt = 1.69 ohms
The total current I running through the circuit is
I = V/Rt = 2.37 A
It would be A.True because they to connect it to through the ground
Answer:
The magnification of the image is 
Explanation:
From the question we are told that
The object distance is 
The image distance is 
The magnification of the image is mathematically represented as

substituting values


The negative value means that the image is real , inverted and enlarged