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সিরিজে সংযুক্ত একটি এ্যামিটার এবং একটি অজানা রোধ দুটি একই রকম 1.5 V ব্যাটারীর দুই প্রান্তে সংযুক্ত আছে। যখন ব্যাটারী দুটি সিরিজে সংযুক্ত থাকে তখন এ্যামিটার। amp রিডিং প্রদর্শন করে। আবার ব্যাটারী দুটি সমান্তরালে সংযুক্ত করলে 0.6 amp রিডিং প্রদর্শন করে। ব্যাটারীর আভ্যন্তরিন রোধ কত ? (An ammeter and an unknown resistance are connected in series across two identical batteries of each 1.5 V. The ammeter shows current I amp and 0.6 amp when the batteries are connected in series and parallel, respectively. What is the internal resistance of the battery?)
A 13Ω
B 12Ω
C 1Ω
D 0.1Ω
E 23Ω
An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.
A nG
B (n - 1)G
C $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$
D $$\frac{{\text{G}}}{{\text{n}}}$$
An ammeter is connected in ___________ with the circuit element whose current we wish to measure
A Series
B Parallel
C Series or parallel
D None of the above
When an ammeter is inserted in the circuit, the circuit current will ___________.
A Increase
B Decrease
C Remain the same
D None of the above
The total resistance for two resistors in parallel is equal to the sum of the two resistors.
A True
B False
In a circuit a 33 Q resistor carries a current of 2 A.. The voltage across the resistor is
A 33 V
B 66 V
C 80 V
D 132 V
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
A Increases
B Increases by one-third
C Decreases by one-third
D Decreases by the amount of current through the removed resistor
The circuit has resistors, capacitors and semiconductor diodes. The circuit will be known as
A Nonlinear circuit
B Linear circuit
C Bilateral circuit
D None of the above
When a fourth resistor is connected in series with three resistors, the total resistance
A Increases by one-fourth
B Increases
C Decreases
D Remains the same
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
A E = PR
B E = I2R
C I = E/R
D I = ER
E None of the above

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