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Q1. | The material used for the magnet of moving coil cone type loudspeaker is |

A. | steel alloy [Wrong Answer] |

B. | soft iron [Wrong Answer] |

C. | hard steel [Wrong Answer] |

D. | Alnico [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

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**Assertion (A):** In standing wave pattern, the nodes and anti nodes are separated by half wave-length

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⇒ In MF range, increasing the transmitter power

increases the range of transmitter

does not increase the range of transmitter because propagation is limited by tilt

decreases the range of transmitter because propagation is limited by tilt

increases the range of transmitter because propagation is through space waves

⇒ An electric heater is controlled by thyristors through on-off control. If a = 0.4, the heating is

16% maximum

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60% of maximum

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⇒ The system of the given fi

has two poles and one zero in left half plane

has two poles and one zero in right half plane

has two poles in left half plane and zero in right half plane

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⇒ The open loop frequency response of a unity feed back system is as u

20 dB and 15°

20 dB and 25°

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6 dB and 25°

⇒ Consider a situation where number of minterms with even number of 0's are same as number of minterms with odd number of 1's. Then minterms with even number of 0's and minterms with odd number of 1's are __________ to each other then number of variables is __________ .

equivalent, even

complement, odd

complement, even

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⇒ The area of an impulse is

1

0

∞

any finite value

⇒ Generally the wall thickness of rectangular waveguide is

about 1-5 mils

about 40-100 mils

about 0.1 to 0.5 mils

about 500 mils

⇒ Which are the pending interrupts?

5.5

6.5

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None

⇒ A 4 bit down counter starts counting from 1111 irrespective of modulus.

TRUE

FALSE

⇒ The Causal system given below is _______

maximum phase

minimum phase

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⇒ Burden of an instrument transformer is expressed in

A

V-A

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watt

⇒ A noiseless 3 kHz channel can't transmit binary bit at the rate

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1000 bps

6000 bps

3000 bps

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ALE

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0101 and 5

0101 and 10

1010 and 5

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⇒ At a temperature of about 1 K, aluminium is a

conductor

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⇒ The speeds used in recording audio programs in house hold recorders are

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⇒ The given figure shows dB magnitude plots for type 0, type 1 and type 2 systems. Out of t

curves 1, 2, 3 are for type 0, 1, 2 systems respectively

curves 1, 2, 3 are for type 2, 1, 0 systems respectively

curves 1, 2, 3 are for type 1, 0, 2 systems respectively

curves 1, 2, 3 are for type 1, 2, 0 systems respectively