Question

85. Security Checking Alarm works on which principle?
(1) Newton
(2) Lenz
(3) Electromagnetic induction
(4) Ohm​

Answer 1

Answer:

3

Explanation:

security alarm is a simple electronic device that works on the principle of detection of uninterrupted light waves. Some typical types of security alarm systems are using infra red light source and sensor detector to maintain high level of security

Answer 2

Answer:

Hai

Explanation:

Security Checking Alarm Works on Electro magnetic induction. And Most of the Daily Used things Works on principal of Electro Magnetic induction. Eg:

1. Induction Stoves

2.Cell phones

3. Transformers.....Soon