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1141 products

Showing 25 - 28 of 28 products
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Primary and Secondary Coils
Primary and Secondary Coils
14711

Comprising a primary coil of insulated copper wire wound on a cylinder and fitted with terminals, together with a secondary coil of fine insulated copper wire wound on a cylinder into which the primary coil may be fitted. A soft iron core, for inserting in the primary coil, is included. To demonstrate the concept of induced current and with the soft iron core the electromagnetic effect can also be demonstrated.
Comprising a primary coil of insulated copper wire wound on a cylinder and fitted with terminals, together with a secondary coil of fine insulated copper wire wound on a cylinder into which the primary coil may be fitted. A soft iron core, for inserting in the primary coil, is included. To demonstrate the concept of induced current and with the soft iron core the electromagnetic effect can also be demonstrated.

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$41.50 Each
Ohm's Law Apparatus
Ohm's Law Apparatus
14710

To verify Ohm's Law. The apparatus consists of one wire wound rheostat, one moving coil voltmeter and one moving coil ammeter, mounted on a bakelite plate in a wooden case. With four terminals, two for battery connection and two for resistance coil. Supplied with one resistance coil, without battery.
To verify Ohm's Law. The apparatus consists of one wire wound rheostat, one moving coil voltmeter and one moving coil ammeter, mounted on a bakelite plate in a wooden case. With four terminals, two for battery connection and two for resistance coil. Supplied with one resistance coil, without battery.

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$103.00 Each
DC Ammeter, 0-50mA, 0-500mA, 0-5A
DC Ammeter, 0-50mA, 0-500mA, 0-5A
14038

Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.

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$8.95 Each
DC Voltmeter, 0-3V, 0-15V, 0-300V
DC Voltmeter, 0-3V, 0-15V, 0-300V
14040

Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.
Sloping front meters for easy reading. +/- 2.5% accuracy with overload protector and color-coded bar. 4"W x 5.5"D x 3.5" H. External zero adjustment.

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$8.95 Each