engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electromagnetic Theory Antennas Half Wave Dipole Antenna
Which of the following is not correct?
The electric lines of force
1
start from a positive charge and end at a negative charge
2
of same polarity repel each other and opposite polarity attract each other
3
always enter or leave a conducting body at right angle
4
always intersect each other