Electronics

The symbol for voltage is

• I

• V

• Amp

• W

Measure of resistance

• Amperes

• Watts

• Ohms

• Volt

It doesn't matter how you connect the LED in the circuit

• True

• False

What is a LED?

• A light

• A part of a circuit

• A light emitting diode

• A capacitor

Why is a resistor important?

• It isn't important

• It increases the power of a circuit

• It controls the flow of electricity

• It controls the servomotors

mBlock is very similar to

• Raspberry PI

• Arduino

• Scratch

• None of the above

What does this programme do if a LED is connected to pin 9?

• The programme is not correct

• The led is switched on all the time

• The led is switched off all the time

• The led is blinking

What does this programme do?

• It always turns on a led

• It measures distance with a sensor and turns on a led if the distance is greater than 5

• It measures distance with a sensor and turns on a led if the distance is less than 5

• It measures pressure with a sensor and turns on a led if the distance is less than 5

Which holes are electrically connected to D9?

• D10

• F9

• C9

• E9

• D8

Which is the resistance if the colors are: 1st (orange), 2nd (blue) mult (red)

• 6300

• 360

• 36

• 3600