August 21, 2008

Pretest I

Before you keep on reading this module, answer first the pre-assessment test given below to find out what you already understand about the subject.
I. TRUE/FALSE. Write T if the statement is correct and F if false on the space provided for.
  1. Use both hands when connecting equipment to a circuit.
  2. Do not wear loose or flopping clothing.
  3. Voltage is the basic unit of electric current.
  4. Neutron is the dense central portion of atom.
  5. Magnetism is the most common method of producing electricity.

II. Name the following schematic symbols. Select your answer from the choices given on the right
1.

2.

3.


4.

5.

CAPACITOR
RECTIFIER DIODE
INDUCTOR
NPN TRANSISTOR
PNP TRANSISTOR
RESISTOR


III. SELECT THE LETTER OF THE BEST ANSWER.
  1. The unit used to express resistance is ohms which is named after:
    1. Peter Georg Ohm
    2. Georg Simon Ohm
    3. James Ohm

  2. 30,000 microampere is equal to:
    1. 0.3 uA
    2. 0.3 mA
    3. 0.03 A
    4. 0.03 mA
  3. Positively charged particle of an atom.
    1. proton
    2. photon
    3. electron
    4. meson
  4. It forces the electrons to move from one point to another.
    1. voltage
    2. current
    3. resistance
    4. conductance
  5. The basic unit of resistance is called
    1. ampere
    2. volts
    3. ohm
    4. watt
  6. The amount of electrons flowing along a conductor.
    1. voltage
    2. current
    3. resistance
    4. conductance
  7. Voltage is also called as:
    1. electromotive force
    2. conductance
    3. coulomb
    4. megger
  8. In what way shall we connect 3 cells to increase voltage output?
    1. parallel
    2. series
    3. combination
  9. 500 kilohms is equal to:
    1. 500,000 ohms
    2. 0.5 ohm
    3. 0.05 megohm
    4. 5 megohms
  10. Materials that allow electrons to pass through it easily.
    1. conductor
    2. insulator
    3. semiconductor

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