Design a circuit that uses a d’Arsonval meter (with an internal resistance of 2 k? that requires a current of 5 mA to cause the meter to deflect full scale) to build a voltmeter to read values of voltages up to 100 volts.
What will be an ideal response?
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10. ____________________ are used in applications where it is desirable to permit a motor to reach full speed before load is applied.
Fill in the blank(s) with the appropriate word(s).
How are future service connections handled when installing heat tracing on domestic hotwater supply systems?
a. A junction box is installed at the end of the pipe. b. A service loop of extra heating cable is provided at connections. c. Additional heating cable is spliced in when additional services are added. d. The existing cable is replaced when new services are added.
Which angle is calculated as the wheels are turned from side to side?
A) Toe B) TOOT C) Camber D) Caster
After having troubleshot a series RL circuit, you check the resistance of the inductor and it is around 40 ohms. What conclusion does this bring you to?
A) Since the inductor's voltage was nearly zero, you are sure the windings have shorted. B) Since the inductor's voltage was nearly zero, the inductor is probably okay so the resistor must be shorted. C) Since the inductor's voltage was nearly zero, the inductor is probably okay, so the resistor must be open. D) not enough information