"http://wiki.answers.com/Q/What_is_the_difference_between_a_risk-bearing_device_and_a_security_device"
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Potential meter is voltage control device and rheostate is current control device. it is a basic difference.
A webcam is a motion capture device that transmits a digital signal to your computer, usually via USB. A security camera is usually sends an analog signal to a VCR or other analog monitoring or recording device. A webcam can be used as a security camera with little difficulty, but an analog camera cannot be used as a webcam without major modifications.
hardrive nothing but it is secondary storage device,And Ram is a primary storage device
hardrive nothing but it is secondary storage device,And Ram is a primary storage device
the difference between a electric motor and a generator.Motor- is a device or equipment which convert electrical energy to mechanical energy.Generator- is a device or equipment which convert mechanical energy to electrical energy.
LCR meter is a device. And electrochemical impedance spectroscopy is a method. So the difference between them are like the difference between pen and writing.
Voltage drop.
wat is pckup
Devices do not care with this difference. Humans do.
The biggest difference between charging and discharging is that charging involves adding energy to a battery or device, while discharging involves releasing energy from a battery or device.
gunn diode is transfered electron device & PIN diode is semiconductor device