[List of Quiz Problems]    Physics Quiz German version

 

L1 and L2 are bulbs (e.g. 5 V), D1 to D4 are diodes, S1 and S2 switches. The circuit is connected to AC (U=5 V, 50 Hz).

1. Which bulb will be on, in case only S1 is connected ?

L1 only

L2 only

both

none


2. Which bulb will be on, in case only S2 is connected ?

L1 only

L2 only

both

none


3. Which bulb will be on, in case both switches are connected ?

L1 only

L2 only

both

none


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[List of Quiz Problems]


Last update 2000/09/17