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Schematic diagram quiz – Elenco Nerve Tester User Manual

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SCHEMATIC DIAGRAM

QUIZ

1. The nerve tester produces a ______________ whenever the probe touches the twisted wire.

2. A “chicken” afraid of the shock will switch the nerve tester to the ______________ position.

3. The LED will light when a positive voltage touches the ___________ of the SCR.

4. Once the LED is lit, removing the probe from the twisted wire will turn off the LED. (true or false)

5. A transformer has ___________ or more windings.

6. A _______________ current in the primary winding will produce voltage in the ___________ winding.

7. The voltage in the secondary winding is equal to the primary voltage times the ratio of the ____________ in

the transformer.

8. The nerve tester produces about a ____________ volt spike for a very short time.

9. There are ___________ spikes of voltage every time the probe touches the twisted wire.

10. The probe has ___________ sides of copper between an insulator.

Answ

ers:

1. shoc

k; 2.

LED; 3.

gate; 4.

false;

5. tw

o; 6.

DC, secondar

y; 7.

turn

s; 8.

270; 9.

two;

10. tw

o

B1

R1

470

Ω

R2

47k

Ω

T1

S2

S1

A

B

D1

LED

C106B

SCR1

H1

P1

Probe