Ckt Sudoku

If you have three 1.5V batteries in series, what would be total voltage be? 

• 3.4 V
• 4.5 V
• 1.5 V
• 3 V

What does this picture show?

• A multimeter
• A breadboard
• A circuit board
• A resistor

What electronic component allows current to flow in one direction only? 

• Resistor
• LED
• Didode
• Switch

What is another name for electrical shock?

• Volt
• Jolt
• Bolt
• Colt

If the PIV rating of a diode is exceeded, ………………

• the diode conducts poorly

• the diode is destroyed

• the diode behaves like a zener diode

• none of the above

What are the color codes for a 470k ohm resistor?

• Yellow, Violet, Yellow
• Orange, Grey, Orange
• Yellow, Violet, Orange
• Orange, Grey, Yellow

If you increase the resistance of a circuit, what happens?

• Current decreases
• Current increases
• Electrons disappear
• Bulbs get brighter

What is the brains of the Arduino Uno?

• Power LED

• Power jack

• ATmega Microcontroller

• Digital Pins

Which of the following electronic components does not have polarities?

• LEDs

• Diodes

• Dry cells

• Push buttons

What material is added into solder to stop oxygen contaminating the join?

• Solder

• Silver

• Lead

• Flux