When a metal car is struck by lightning, the resulting electric field inside the car is zero.
- Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge.
- The reason a person in a car does not get hit by a lightning strike is because the roof and walls of the car present a path of less resistance than the interior of the car.
- It is safe to sit under a car rather than to stand under a tree during lightning. The electric field inside the car is zero.
- Cars are safe from lightning because of the metal cage surrounding the people inside the vehicle.
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