when electrons are forced to move thru a conductor the magnetic fields of individual electrons
subtract from one another
T or F - Answers False
the direction of the electromagnetic field around a conductor because of current flow is
determined by the right hand rule as it relates to the electron theory
T or F - Answers false
the field intensity around the conductor carrying current increased current flow and is stronger
the further the distance from the conductor
T or F - Answers false
if a conductor carrying current is next to another conductor carrying current in the opposite
direction the electromagnetic field attempts to push the conductor apart
T or F - Answers True
when conductors carrying current in the same direction are brought together the
electromagnetic fields attempting to pull the conductor together
T or F - Answers True
if a conductor is twisted to form a loop the electromagnetic fields around the conductor are
compressed to create a dense and strong electromagnetic field
T or F - Answers true
if conductor loops are wound in the same direction the conductors electromagnetic fields add
together
, T or F - Answers True
the electromagnetic field of a coil can be made stronger by placing a soft iron core inside of the
coil windings
T or F - Answers True
the strength of an electromagnetic field depends on the magnitude of the current and the
number of turns in the electromagnetic coil
T or F - Answers True
volt meters are connected in_______ with the circuit and measure the difference of potential
between the two test leads
A. series
B. Parallel
C. Series -Parallel
D. None of the above - Answers B. Parallel
DC ammeters of the direct connection type must be connected in _____ with the power source
and the load. If connected in reverse polarity, the coil will move in the opposite direction.
A. series
B. Parallel
C. Series -Parallel
D. None of the above - Answers A. series
A clamp on AC ammeter has a coil that is clamped around the conductor and detects the rising
and falling _____ field being produced due to the AC flow thru the conductor
A. Static
B. Current