Which one of the following is true if no wires are cut? A. Bulbs D and A are off

Question

Which one of the following is true if no wires are cut?

A. Bulbs D and A are off.

B. Bulb D is off.

C. Bulbs C and A are off.

D. All bulbs are equally bright.

E. Bulbs C and A are dimmer than bulb D, but not off.

Consider the following scenarios separately, i.e., only one wire is cut at a time. What would happen after cutting the wire at F?

A. All bulbs become brighter.

B. Bulb A goes off.

C. Bulb C becomes dimmer, but does not go off.

D. Nothing happens.

E. All bulbs become dimmer.

F. Bulb C becomes brighter.

What would happen after cutting the wire at G?

A. Nothing happens.

B. Bulb C goes off.

C. Bulb C becomes dimmer, but does not go off.

D. All bulbs become dimmer.

E. Bulb C becomes brighter.

F. All bulbs become brighter.

What would happen after cutting the wire at B?

A. All bulbs become dimmer.

B. All bulbs become brighter.

C. Bulb A goes off.

D. Bulb A becomes dimmer, but does not go off.

E. Nothing happens.

F. Bulb A becomes brighter.

What would happen after cutting the wire at E?

A. All bulbs become brighter.

B. Bulb A becomes dimmer, but does not go off.

C. All bulbs become dimmer.

D. Nothing happens.

E. Bulb A becomes brighter.

F. Bulb C goes off.

Which one of the following is true if no wires are cut? A. Bulbs D and A are off. B. Bulb D is off. C. Bulbs C and A are off. D. All bulbs are equally bright. E. Bulbs C and A are dimmer than bulb D, but not off. Consider the following scenarios separately, i.e., only one wire is cut at a time. What would happen after cutting the wire at F? A. All bulbs become brighter. B. Bulb A goes off. C. Bulb C becomes dimmer, but does not go off. D. Nothing happens. E. All bulbs become dimmer. F. Bulb C becomes brighter. What would happen after cutting the wire at G? A. Nothing happens. B. Bulb C goes off. C. Bulb C becomes dimmer, but does not go off. D. All bulbs become dimmer. E. Bulb C becomes brighter. F. All bulbs become brighter. What would happen after cutting the wire at B? A. All bulbs become dimmer. B. All bulbs become brighter. C. Bulb A goes off. D. Bulb A becomes dimmer, but does not go off. E. Nothing happens. F. Bulb A becomes brighter. What would happen after cutting the wire at E? A. All bulbs become brighter. B. Bulb A becomes dimmer, but does not go off. C. All bulbs become dimmer. D. Nothing happens. E. Bulb A becomes brighter. F. Bulb C goes off. Consider the circuit above, which has three light bulbs (la belled C, A, and D), a battery, and wires. Assume that the light bulbs behave like ohmic resistors, and that they are brighter the more current is passing through them. Ignore that all bulbs are drawn equally bright in the diagram.

Explanation / Answer

1.Bulb D is off.Since wire E shorts the circuit. 2.All bulbs get dimmer 3.Nothing Happens 4.Bulb A goes Off 5.All bulbs get dimmer

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