फोन तुरंत जुड़ता है।

Because फोन is treated as a masculine singular noun in Hindi.

In the present habitual, the verb agrees with the subject in gender and number:

• masculine singular → -ता है
• feminine singular → -ती है
• masculine plural → -ते हैं
• feminine plural → -ती हैं

So:

• फोन जुड़ता है
• but लाइन जुड़ती है would be feminine, because लाइन is usually feminine.

It comes from the verb जुड़ना, which means to join, to get connected, to become linked.

In this sentence:

• जुड़- = verb root idea of connecting/joining
• -ता = habitual masculine singular ending
• है = present form of to be

So जुड़ता है is the present habitual form of जुड़ना.

In standard Hindi, the habitual form usually takes a form of होना as an auxiliary.

So the full structure is:

• फोन = subject
• तुरंत = adverb
• जुड़ता = habitual participle
• है = auxiliary

That is why जुड़ता है is the normal complete form.

Dropping है may happen in casual speech, headlines, or very informal contexts, but for learners, फोन तुरंत जुड़ता है is the correct standard sentence.

Usually जुड़ता है is a habitual / general present form. It often means something like:

• it connects quickly
• it tends to connect immediately
• it connects right away

So it often describes a general property, a usual result, or a repeated action.

If you wanted to emphasize that it is connecting right now, Hindi would more often use the progressive:

• फोन तुरंत जुड़ रहा है = the phone is connecting immediately / right now

So जुड़ता है is more about what generally happens.

तुरंत is an adverb meaning immediately / at once / right away.

It modifies the verb phrase जुड़ता है, telling you how quickly the connection happens.

So the structure is:

• फोन = the phone
• तुरंत = immediately
• जुड़ता है = connects

Hindi adverbs like तुरंत, जल्दी, धीरे, अचानक often come before the verb, which is what you see here.

Hindi word order is somewhat flexible, but some orders sound more natural than others.

Most natural here:

• फोन तुरंत जुड़ता है

Possible, but less neutral or more marked:

• फोन जुड़ता है तुरंत

That version may sound like you are adding तुरंत for emphasis afterward.

So for a learner, the safest and most natural order is:

• subject + adverb + verb

फोन is a borrowed word from English phone, but it is fully normal in Hindi.

In everyday Hindi, borrowed nouns are very common, and they still behave like Hindi nouns grammatically. फोन is generally treated as masculine, which is why the verb is जुड़ता है.

You may also hear related words like:

• मोबाइल
• फ़ोन
• टेलीफ़ोन

In everyday speech, फोन is extremely common.

This is a very common learner question.

These two verbs are related, but they are not the same:

• जोड़ना = to connect/join something → transitive
  
  • someone connects something
• जुड़ना = to get connected / become joined → intransitive

So:

• मैं तार जोड़ता हूँ। = I connect the wire.
• तार जुड़ता है। = The wire gets connected.

In your sentence, the phone is not shown as actively connecting something else. Instead, it becomes connected, so जुड़ना is the natural choice.

Yes, absolutely. In real usage, Hindi often uses words like फोन a bit loosely depending on context.

So फोन तुरंत जुड़ता है could refer to:

• the phone getting connected to a network
• a phone call connecting quickly
• a line getting through immediately

Context decides the most natural interpretation.

If someone wanted to be more explicit, they might say:

• कॉल तुरंत जुड़ती है
• लाइन तुरंत जुड़ती है
• नेटवर्क तुरंत जुड़ता है

But your sentence is still natural.

The ड़ sound is a special Hindi consonant: a retroflex flap.

In जुड़ता, it is not the same as a plain English d. It sounds closer to a quick tapped/flapped sound, somewhat like the tt/dd sound in American English butter for some speakers, but with the tongue curled back more.

So:

• जुड़ता is roughly like juṛtā
• many textbooks write it as juRta or juṛtā

This is one of those sounds that takes practice, so it is normal if it feels unfamiliar at first.

This is an important difference:

• जुड़ता है = connects / gets connected / tends to connect
• जुड़ा है = is connected / has become connected

So:

• फोन तुरंत जुड़ता है = the phone connects immediately
• फोन जुड़ा है = the phone is connected

The first describes the process or usual action.
The second describes the resulting state.

That distinction is very useful in Hindi.

Yes, in modern everyday Hindi, especially in tech or urban speech, people do use English-based words like कनेक्ट.

So you may hear:

• फोन तुरंत कनेक्ट होता है

That sounds colloquial and common in some contexts. But:

• फोन तुरंत जुड़ता है

sounds more fully Hindi and is grammatically very natural.

So both are possible, but जुड़ता है is an excellent form to learn.