Home
Class 12
PHYSICS
A diode having potential difference 0.5 ...

A diode having potential difference `0.5 V` across its junction which does not depend on current, is connected in series with resistance of `20 Omega` across source. If `0.1A` passes through resistance then what is the voltage of the source?

A

`1.5 V`

B

`2.0 V`

C

`2.5 V`

D

`5 V`

Text Solution

Verified by Experts

The correct Answer is:
C
`V'=V+IR`
`=0.5+0.1xx20`
`=2.5 V`
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS

    A2Z|Exercise Junction Transistor|47 Videos

  • SEMICONDUCTOR ELECTRONICS

    A2Z|Exercise Digital Electronics|40 Videos

  • SEMICONDUCTOR ELECTRONICS

    A2Z|Exercise Junction Diode|57 Videos

  • NUCLEAR PHYSICS

    A2Z|Exercise Section D - Chapter End Test|29 Videos

  • SOURCE AND EFFECT OF MAGNETIC FIELD

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

A p-n junction in series with a resistance of 5 kOmega is connected across a 50 V DC source . If the forward bias resistance of the junction is 50 Omega , the forward bias current is

A p-n junction diode has a forward bias resistance of 10 Omega and a reverse bias resistance of 10 k Omega . It is connected in series with a resistance of 990 Omega and a.d.c. source of 5V in such a way that the negative terminal of the source is connected to then region of the p-n junction. What is the current flowing in the circuit?

A coil having an inductance of 1//pi henry is connected in series with a resistance of 300 Omega . If 20 volt from a 200 cycle source are impressed across the combination, the value of the phase angle between the voltage and the current is :

The potential difference across terminals of cell of 20 V and r = 2 Omega connected to 8 Omega external resistance is

Current P through a certain non-metallic rod is given as i_(0)=0.2V^((3)/(2)) where V is potential difference across it. The rod is connected in series with a resistance to a 12 volt ideal bettery. What should be resistance ( in Omega ) so that power dissipated in the resistance is twice that of rod.

An alternating current of rms value 5A, passes through a resistance of 24 Omega . What is the maximum P.D. across the resister?

An ac source is connected across a resistance of 10 Omega The power dissipated in the resistor is 100W The rms valuse of the current and voltge are .

In an electric circuit, potential difference across a lamp is 20 V and current through the lamp is 0.5A. The resistance of the lamp is

A2Z-SEMICONDUCTOR ELECTRONICS-Diode In Circuits
  1. The current through an ideal PN-junction shown in the following circui...

    Text Solution

    |

  2. In a full wave rectifiers, input ac current has a frequency 'v'. The o...

    Text Solution

    |

  3. A diode having potential difference 0.5 V across its junction which do...

    Text Solution

    |

  4. A 2V battery is connected across the points A and B as shown in the fi...

    Text Solution

    |

  5. In the circuit, if the forward voltage drop for the diode is 0.5 V, th...

    Text Solution

    |

  6. Current in the circuit will be

    Text Solution

    |

  7. The diode used in the circuit shown in the figure has a constant volta...

    Text Solution

    |

  8. A sinusoidal voltage of peak value 200 volts is connected to a diode a...

    Text Solution

    |

  9. The junction diode in the following circuit requires a minimum current...

    Text Solution

    |

  10. In the circuit given below, V(t) is the sinusoidal voltage source, vol...

    Text Solution

    |

  11. The peak voltage in the output of a half-wave diode rectifier fed with...

    Text Solution

    |

  12. In the following circuits PN-junction diodes D(1), D(2) and D(3) are i...

    Text Solution

    |

  13. The circuit shown in following figure contains two diode D(1) and D(2)...

    Text Solution

    |

  14. Find V(AB)

    Text Solution

    |

  15. A diode is connected to 220V (rms) ac in series with a capacitor as sh...

    Text Solution

    |

  16. In the circuit shown in figure the maximum output voltage V(0) is

    Text Solution

    |

  17. In the following circuit find I(1) and I(2)

    Text Solution

    |

  18. Ge and Si diodes conduct at 0.3 V and 0.7 V respectively. In the follo...

    Text Solution

    |

  19. In the following circuit I(1) and I(2) are respectively

    Text Solution

    |

  20. In space charge limited region, the plate current in a diode is 10 mA ...

    Text Solution

    |