The magnetic field produced due to a circular coil carrying a current having six turns will be how many times that of the field produced due to a single circular loop carrying the same current?
A2 times
B4 times
C8 times
D6 times
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Two resistors A and B have resistances 5 chm and 10 ohm, respectively. If they are connected in series to a voltage source of 5 V. The ratio of power developed in resistor A to that of power developed in resistor B will be?
The potential difference across a copper wire is 2.0 V when a current of 0.4 A flows through it. The resistance of the wire is?
ഒരു ഗൃഹ വൈദ്യുതീകരണ സർക്യൂട്ടിൽ ഫ്യൂസുകൾ ഘടിപ്പിക്കേണ്ടത് ഏത് ലൈനിലാണ്?
Which of the following statements is/are true for a current carrying straight conductor?
- i) The magnetic field lines are concentric circles with conductor at the centre.
- (ii) The strength of the magnetic field increases as we move away from the conductor.
- (iii) The direction of magnetic field can be determined using right hand thumb rule.