Electronics 2: Question Preview (ID: 19948)


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What is the name of the number system used in digital electronics?
a) Digital System b) Logic System c) Base Two System d) Binary System
The value of a resistor is determined by the ________________?
a) Unit printed on it b) How well it works c) the physical size of it d) the color code
How many milliamps are there in on amp?
a) 100 b) 1000 c) 10000 d) 1000000
What does the Voltage measure in a circuit when the amperage measures 6 and the resistance measures 10?
a) 60 b) .6 c) 1.666 d) 3
Capacitance is the ability of a circuit to store ______________
a) Protons b) Electrons c) Electricity d) Answers 2 and 3
Capacitance is measured in __________.
a) Ohms b) Watts c) Volts d) Farads
The most important electronic component in a circuit that rectifies current is a
a) Transistor b) Diode c) Rectifier d) Capactior
The function of a transistor in an electrical circuit is to __________________.
a) Rectifiy a current b) Amplify voltages c) Act as a timer d) Dim the light
If a switch in opened in a circuit. The logic number would be a __________ and that circuit would be turned _________.
a) 0 and off b) 0 and on c) 1 and off d) 1 and on
Electrons at rest around an object can build-up pressure and then jump to a positively charged object is an example of ____________electricity.
a) Dynamic b) Current c) Electrostatic d) Static
What does a good soldered connection look like on a circuit board (shape)?
a) Cone b) Square c) Cone with a stick in the center d) Sphere
What color is a good soldered connection?
a) Yellow b) Silver c) Brown d) Gold
Switches, fuses and circuit breakers are all hooked up in a circuit in __________________.
a) Series b) Parallel c) Series-Parallel d) Parallel-Series
The opposition to the flow of electrons is known as ________________.
a) EMF b) Resistance c) Capacitance d) Current
A dry cell produces ________ current.
a) Alternating Currrent b) Direct Current c) Dynamic Current d) Staitc Current
A load in a circuit is?
a) The path the electrons take b) The power source c) The component it is operating d) none of the above
Current can flow in two or more paths or directions in a ___________ circuit
a) Series b) Parallel c) Both d)
27. The earth is used as a ground and has a __________________ charge.
a) Negative b) Nuetral c) Positive d)
Convert this digital number into binary 58.
a) 111010 b) 00111010 c) 1111101 d) 1010100
Convert this Binary number into digital 10101101
a) 175 b) 173 c) 128 d) 89
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