Physics Class 10th

361. A device that allows or block flow of current:

A) Resistor

B) Capacitor

C) Switch

D) Heater

362. A device that produces heat due to electricity.

A) Heater

B) Resistor

C) Thermistor

D) none of the above.

363. A device used to detect presence of current.

A) Ammeter

B) Galvanometer

C) Voltometer

D) Polorizer

364. A device used to measure current is called:

A) Galvanometer

B) Voltometer

C) Ammeter

D) None of the above

365. Ammeter is always connected in ______ circuit to measure current.

A) Parallel

B) Series

C) Both A and B

D) Ammeter is not used to measure current.

366. A device used to measure voltage applied:

A) Galvanometer

B) Voltometer

C) Ammeter

D) None of the above.

367. Voltometer is always connected in ______ circuit in order to determine voltage applied.

A) Series

B) Parallel

C) Both A and B

D) Voltmeter does not measure voltage applied.

368. A device used that can measure voltage and current is called:

A) Multi meter

B) Ammeter

C) Ohmmeter

D) None of the above

369. Ohmmeter :

A) Device to measure current

B) Device used to measure voltage

C) Device used to determine Resistance

D) None of the above.

370. Current flowing in one direction only:

A) Alternating current

B) Direct Current

C) Both A and B

D) None of the above

371. The current derived from battery:

A) AC

B) DC

C) Both A and B

D) Battery does not provide current

372. Current that changes direction regularly:

A) AC

B) DC

C) Both A and B

D) None of the above.

373. Electricity usually comes to our homes by supply cable containing ____ wires.

A) One

B) Two

C) Three

D) Four

374. Every circuit is connected in parallel to the supply and receives the Voltage of _______ V from supply.

A) 100

B) 150

C) 170

D) 220

375. Switches and Fuses are employed only to _____ wires

A) Earth

B) Live

C) Neutral

D) All of the above

376. If we connect fuses and switches to ______ wires then they would be live even when they are turned off.

A) Earth

B) Neutral

C) Live

D) Live and neutral

377. Fuses contains a:

A)  Plastic Insulator

B)  Fixed Resistor

C)  Tubular Capacitor

D) Thin wire conductor

378. The resistance of dry skin is:

A) 100 Ὼ

B) 1000Ὼ

C) 10000Ὼ

D) 15000Ὼ

379. The resistance of wet skin is:

A) 15000 Ὼ

B) 10000Ὼ

C) 1000Ὼ

D) None of the above

380. 50 mA current when connects to human:

A) Threshold of sensation

B) Maximum harmless current

C) Muscular contraction

D) Onset of Pain