The diagram above shows three circuits, the internal resistances of the batteries are negligible. which of the currents is the largest
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1983
Which of the following figures gives the correct resultant R of two vectors P and Q?
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1983
Each of the figures in the diagram above represent two current carrying conductors situated close to each other. In which two diagrams, are the forces between the two wires attractive
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1983
In the Figure above, QR is a vertical conductor and the current I flows from R to Q, P is a point on the horizontal plane and is to the south of the wire. The direction of the magnetic field at P due to the current is
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1983
Four resistors R1, R2, R3 and R4 are connected in series as shown above, V1, V2, V3 are voltmeters connected as indicated above. Which of the following relations is correct??
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1983
In a resonance tube experiment, a tube of fixedlength in closed at one end and several turningforks of increasing frequency used to obtainresonance at the open end. If the turning fork withthe lowest frequency which gave…
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1983
Which of the following may be used to determine relative humidity in a physics laboratory? I. Manometer II. Wet-and-dry bulb hygrometer III. Hair hygrometer IV. A hydrometer.