Unit-2- Multimeter

Digital multimeter is used for _________

• measuring a.c. and d.c. current, voltage and resistance

• measuring a.c. current and voltage

• measuring d.c. current and resistance

• measuring a.c. voltage and resistance

Output of a digital multimeter is _________

• mechanical

• optical

• electrical

• analog

Basic building blocks of digital multimeter are _________

• oscillator, amplifier

• A/D, attenuator, counter

• rectifier, schmitt trigger

• diode, op amp

Basic circuit of multimeter consists ________

• of a.c. amplifier

• of d.c. amplifier

• operational amplifier

• power amplifier

Electronic multimeter consists of a rectifier.

• True

• False

Multimeter can be used as an ammeter by ________

• connecting series resistances

• making use of a transducer

• making use of a transformer

• connecting shunts

Multimeter can be used for D.C. voltage measurement by ________

• connecting series resistances

• connecting shunt resistances

• connecting star delta resistances

• using a switch

What is the initial setting made in a multimeter before it is used for measuring resistance?

• fine adjustment

• instrument is open circuited

• voltage is applied

• zero adjustment

Two multimeters A and B have sensitivities of 10 kΩ/V and 30 kΩ/V respectively. Then ..............

• Multimeter A is more sensitive

• Multimeter B is more sensitive

• Both are equally sensitive

• None of the above

One of the types of Digitial multimeter:

• Fluke

• Clamp

• Autoranging

• All the above