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Physics (bio) / Fisika (bio) - 154

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As 'n proton in die rigting van die elektriese veld beweeg, ...

For a proton moving in the direction of the electric field ...

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Dit vereis 12.2 J energie om die lading q = -1.90 C vanaf die punt A na die punt B te beweeg. Wat is die potensiaal (in V) van punt B relatief t.o.v. punt A?

It takes 12.2 J of energy to move the charge q =  -1.90 C from point A to point B.  What is the potential (in V) of point B relative to point A?

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'n Elektron-volt is die eenheid vir ...

The electron-volt is a unit of ...

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Punt A is ‘n afstand L weg van die puntlading Q.  Punt B is egter afstand van 4L weg van Q.  Wat is die verhouding van die grootte van die elektriese veld by B relatief tot die by A?

Point A is a distance L away from a point charge Q.  Point B is a distance 4L away from Q.  What is the ratio of the electric field at B to that at A?

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Drie gelaaide partikels, A, B en C, is naby mekaar geleë.  Beide die grootte en rigting van die krag wat partikel A op partikel B uitoefen is onafhanklik van...

Three charged particles A, B, and C, are located near to one another.  Both the magnitude and direction of the force that particle A exerts on particle B is independent of...

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Two resistors, 4.0 Ω and 8.0 Ω are connected in series to a 9.0 V battery. How much power is dissipated in the 8.0 Ω resistor?

Twee weerstande van 4.0 Ω en 8.0 Ω is in serie verbind aan ’n 9.0 V battery. Wat is die drywing in die 8.0 Ω weerstand?

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Figure / Figuur 1

Consider the circuit diagram shown above. Apply Kirchhoff's loop and junction rules to determine the unknown currents I subscript 1I subscript 2 and I subscript 3.

Beskou die stroombaan hierbo. Maak gebruik van Kirchhoff se lus- en knooppuntreëls om die onbekende strome   I subscript 1I subscript 2 en I subscript 3 te bepaal.

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Figure / Figuur 1

Consider the circuit diagram shown above. The unit of resistance is Ohm (Ω).

Beskou die stroombaan hierbo. Die eenheid van weerstand is Ohm (Ω).

Apply Kirchhoff’s loop rule along XADEX in an anti-clockwise direction. Choose the correct equation from the list below.

Pas Kirchhoff se lusreël toe langs XADEX in ’n anti-kloksgewyse rigting. Kies die korrekte vergelyking van die lys hieronder.

 

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Figure / Figuur 1

Apply Kirchhoff’s loop and junction rules to determine the values of the currents  I subscript 1, I subscript 2 and I subscript 3.

Pas Kirchhoff se lus- en knooppuntreëls toe om die waardes van die strome  I subscript 1I subscript 2 en I subscript 3 te bereken.

 

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A wire carries a current of 5.0 A. How many electrons cross a given area of the wire each second?

’n Stroom van 5.0 A vloei in ’n draad. Hoeveel elektrone gaan verby ’n gegewe deursnit area elke sekonde?

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