A meter bridge equipped with a pencil jockey is a standard piece of educational laboratory apparatus used primarily for measuring unknown electrical resistance. The “pencil jockey” itself is simply a pen-like conductive probe used to make temporary contact with the resistance wire to find a balance point without scratching the wire excessively.
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Description
A meter bridge equipped with a pencil jockey is a standard piece of educational laboratory apparatus used primarily for measuring unknown electrical resistance. The “pencil jockey” itself is simply a pen-like conductive probe used to make temporary contact with the resistance wire to find a balance point without scratching the wire excessively.
