More Electromagnets
More on the simple electric motor -
Complete this explanation of how the motor works:
When the current flows through the , the left side is pushed and the side . When the coil is vertical, the forces can not it any further because there is no . As the coil shoots past the vertical, the split ring commutator changes the direction of the . Now the point the other way around and the coil is pushed around and around and around...
The Loudspeaker
Put these statements about how a loudspeaker works in the correct order:
This creates sounds. These make the coil move back and forth over the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier This creates sounds. These make the coil move back and forth over the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier
This creates sounds. These make the coil move back and forth ocer the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier This creates sounds. These make the coil move back and forth over the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier
This creates sounds. These make the coil move back and forth ocer the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier This creates sounds. These make the coil move back and forth ocer the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier
This creates sounds. These make the coil move back and forth ocer the North pole of the magnet. are fed into the speaker coil. the cardboard case vibrate. These movements make AC signals from the amplifier
Word Link Up - link up each description with the correct word
The Relay
Number these sentences in the correct order:
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