What is the answer to the light switch riddle?
Here it is: Open the door. If the light is on, then switch number 2 controls it. If the light is off, then go and feel the bulb with your hand. If the bulb is hot, then switch number 1 controls it, and if the bulb is cold, then switch number 3, the one you did not touch, controls it.
Can you have 3 light switches one light?
A light or lights can be controlled by more than one switch. The usual practice in home construction is to use 3-way switches. 3-way is the electrician’s designation for a single pole double throw (SPDT) switch. The switches must create a complete circuit for current to flow and the bulb to light.
What is the answer to the clock and light bulb riddle?
Therefore, one bulb with one light 3. Bulb with four lights 4 x 3 12. 9 + 9 x 36 9 + 324 333. Answer to ‘Watch Calculator bulb’ puzzle is 333.
How many lightbulbs are turned on at the end?
Let’s realize what we discovered. If there’s no randomness, then we’ll get 10 light bulb that are turned on in the end. If there’s a 5050 chance to press the switch, then we’ll get 50 light bulbs that are turned on.
What is the answer to the riddle with the clocks calculators and light bulbs?
The equation is 15 + 15 15 15, so each bulb with 5 lights is 15. A bulb with 1 light is 3, a bulb with 2 lights is 6, and so on. The last one has 1 clock that shows 9 o’clock plus 1 calculator which has ‘1224’ multiplied by 3 bulbs where each has 4 lights. This comes to: 9 + 9 X 36 9 + 324 333.
Did a light bulb go off in your head?
a light bulb goes off in (one’s) head One is suddenly struck with an ingenious or inspired idea, insight, or revelation. In this expression, the phrasal verb go off means turn on or become active. We spent hours trying to come up with a solution, when suddenly a light bulb went off in my head.
How do I know which room switch to use?
First turn on the first switch for 2 minutes or so and turn it off. Then turn on the middle switch and go inside the room . Touch the bulb or feel the heat inside the room, if it feels warm then the first switch is the answer. If the bulb is lit then obviously middle switch is the answer.
How do you wire 3 switches to the same light?
Four-way switches are used to control lighting from three or more locations. When the switch is in the up position, the current can flow through two terminals. In the down position, the current flows through the other two terminals.
Can a light be controlled by 4 switches?
There is no limit to the number of lights on a circuit. The load of the fixtures is what determines how many lights a circuit can accommodate. A conventional 15A circuit can have up to 1400W of lighting loads connected to it. A 1400 Watts lighting load can accommodate one 1400W fixture or fourteen 100W fixtures.
How many light switches can you have on a circuit?
You run a pair of travellers, from one 2-way switch to the intermediate switch. Then you run another pair of travellers from the other 2-way switch to the intermediate switch. When you run the cables like this,you will be able to control a light from three locations.