Extech MD10 Non-contact Magnet Detector with Built-in Flashlight
Features
- Detects the presence of magnetic field without contact (AC, DC, and permanent magnets)
- Ideal for testing audio speakers and relays with coils and electrically controlled solenoid valves
- Blue LED lights up for visual magnetic field indication
- Magnetic field detection range: 63H, 98H, 401H, 810H
- Low battery indicator
Standard Motor Products CP570 Canister Purge Control Solenoid
Features
- Intermotor Canister Purge Solenoid (CP570)
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This physics video tutorial provides a basic introduction into the mutual inductance of solenoids. The emf induced in a second coil is proportional to the mutual ...
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In physics, specifically electromagnetism, the magnetic flux (often denoted Φ or Φ B) through a surface is the surface integral of the normal component of the magnetic field B passing through that surface.
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Increasing current in a coil of wire will generate a counter emf which opposes the current. Applying the voltage law allows us to see the effect of this emf on the circuit equation.
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Electromagnetic induction. Emf induced in a moving conductor. Faraday’s law. Lenz’s law. Self-induction. Self-induced emf. Self-inductance of a coil of n turns.