Logic puzzles, riddles, math puzzles and brainteasers - pzzls.com

Vandaag is het 24 December 2024

Add using:

Voltage voodoo - science puzzle

Difficulty: 

   Rating: 3.1/5.0

Share this pzzl:  

In the figure, an electrical circuit is drawn. In the middle of the circuit a infinitely long metal bar is placed indicated with the grey circle. In this bar, an oscillating magnetic field is induced by a coil which is attached somewhere to the bar. Two resistors are located in the circuit with values R1 and R2. The alternating voltages V1 and V2 are being measured with two perfect alternating voltages meters.

What is the relation between the two voltages V1 and V2?
a) V1 : V2 = R2 : R1
b) V1 : V2 = 1 : 1
c) V1 : V2 = R1 : R2
d) V1 = V2 = 0
e) something different.
spanningsbron

A strong currency? - science puzzle

Difficulty: 

   Rating: 2.6/5.0

Share this pzzl:  

There is something strange with the 5 euro note. What is it? 5 euro

The walled garden - math puzzle

Difficulty: 

   Rating: 2.8/5.0

Share this pzzl:  

A garden is surrounded by four walls, which form a rectangular trapezoid. The parallel walls have lengths of 34 and 59. An old oak grows in the middle of the garden. The owner of the garden has figured out that the distance from the four walls to the oak are exactly the same. What is the area of the garden? garden