# Cbse 12 Physics Trail

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Related Topics
• 1.
• A.

Vector,Vector

• B.

Scalar,Vector

• C.

Vector,Scaler

• D.

Scalar,Scalar

• 2.
__________= 1V/A
• A.

1℮

• B.

1Ω

• C.

• D.

• 3.
• A.

0-50 MW

• B.

50-90 MW

• C.

90-110MW

• D.

30-70 MW

• 4.
The difference is often called the ________ of the circuit
• A.

Bindwidth

• B.

Brandwidth

• C.

Bandwidth

• D.

Boundwidth

• 5.
For paraxial rays tanø=ø, now tan(n-1)ø=? Consider ø is small
• A.

Nø-ø

• B.

ø

• C.

• D.

• 6.
Ammeter is used to measure ----------.
• A.

A

• B.

µA

• C.

MA

• D.

All the above

• 7.
Frequency band of Satellite Communication is ---------------------
• A.

540-1600 kHz

• B.

3.7-4.2 GHz

• C.

88-108 MHz

• D.

420-890 MHz

• 8.
LtR=        Voltage applied to a__________
• A.

Series RLC

• B.

Parallel LC

• C.

Parallel LCR

• D.

Series CR

• 9.
=      This relation is known as______
• A.

Mirror equation

• B.

Thin lens formula

• C.

First focal point formula

• D.

Second focal point formula

• 10.
• A.

Reactance diagram

• B.

Impedance diagram

• C.

Capacitance diagram

• D.

Phasor diagram